-O02 LLAss09-10. Flashcards

0
Q

What muscles medially rotate the hip?

A

Gluteus medius and minimus (anterior fibres)
Tensor fascia latae
Adductor magnus
Pectineus

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1
Q

What muscles laterally rotate the hip?

A
Gluteus maximus
Quadratus femoris
Sartorius
Obturator internus
Iliopsoas
Piriformis
Obturator externus
Gluteus medius and minimus
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2
Q

What muscles flex the hip?

A
Iliopsoas 
Tensor fascia latae
Pectineus
Adductor longus
Adductor brevis
Gracilis
Rectus femoris
Sartorius
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3
Q

What muscles abduct the hip?

A
Gluteus medius
Tensor fascia latae
Gluteus maximus
Gluteus minimus
Piriformis
Obturator internus
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4
Q

What muscles adduct the hip?

A
Adductor magnus
Adductor longus 
Adductor brevis
Gluteus maximus
Gracilis
Pectineus
Quadratus femoris
Obturator externus
Semitendinosus
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5
Q

What muscles extend the hip?

A
Gluteus maximus
Gluteus medius
Gluteus minimus
Adductor magnus
Piriformis
Semimembranous
Semitendinosus
Biceps femoris
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6
Q

What muscles flex the knee?

A
Biceps femoris
Semimembranosus
Semitendinosus
Gracilis
Sartorius
Popliteus
Gastrocnemius
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7
Q

What muscles extend the knee?

A

Tensor fascia latae, quadriceps femoris (rectus femoris, vastus intermedius, vastus medialis, vastus lateralis)

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8
Q

What muscles medially rotate the knee?

A
Semimembranosus
Semitendinosus
Gracilis
Sartorius
Popliteus
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9
Q

What muscles laterally rotate the knee?

A

Biceps femoris

Tensor fascia latae

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10
Q

What muscles plantar flex the foot?

A
Peroneus longus
Peroneus brevis
Tibialis posterior
Flexor digitorum longus
Ticeps surae
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11
Q

What muscles dorsiflex the foot?

A

Tibialis anterior
Extensor digitorum longus
Extensor hallucis longus

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12
Q

What muscles evert the foot?

A

Peroneus longus
Peroneus brevis
Extensor digitorum longus

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13
Q

What muscles invert the foot?

A
Triceps surae
Tibialis posterior
Flexor hallucis longus
Flexor digitorum longus
Tibialis anterior
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14
Q

What are the principles of patient assessment?

A

Seek consent
Maintain patients dignity
Explain to the patient what you are doing
Ensure the patients comfort at all times
Carry out assessment in a systematic fashion
Test the uninvolved side first (if only one side involved)
Be aware if non verbal communication throughout procedure i.e. facial expressions
Double check measurements and read scales carefully
Record measurements accurately

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15
Q

What are the 3 steps to patient assessment?

A

Look
Feel
Move

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16
Q

What is included in the look section of the assessment?

A
Visual inspection of the condition of the lower limbs
Skin
Hair
Lld
Atrophy
Swelling
Scars
Callosities
Nails/toes
General body alignment
Upper limb condition
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17
Q

What should be checked about a patients skin?

A

Condition of skin
Any redness abrasions or lesions
Note location and size of any deformity
Watch out for shiny areas or discolouration as this may indicate an underlying problem

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18
Q

What does redness of the skin indicate?

A

Increased blood flow or inflammation

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19
Q

What should be assessed about a patients hair condition?

A

Presence of hair

Symmetry of growth on both lower legs

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20
Q

What could cause absent or thinner hair?

A

Poor circulation or nerve supply

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21
Q

What could lack of hair be due to?

A

Sock wear
May be symmetrical
Use of prosthesis or orthosis

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22
Q

How would you check lld?

A

With patient lying down observe any lld
Pelvis should be level with hips knees and ankles flat on the bed and each joint at the same level
If a patient has a true lld this may not be possible
You should therefore attempt to position each joint as level as possible
If patient cannot straighten one of the joints on the table this may be indicative of a joint contracture or spasticity

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23
Q

Where is true lld measured?

A

Asis to medial malleolus

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24
Q

Where is apparent lld measured?

A

Xyphoid process to medial malleolus

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25
Q

What may be observed with a patient lying supine and hips and knees flexed?

A

Left shortened tibia

True lld

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26
Q

How do you check for atrophy?

A

Observe the shape of the leg
In particular checking for symmetry of shape and size of both legs
Check to see if there is any obvious muscle wasting
You should expect to visually identify the main muscle groups:quadriceps femoris, hamstrings, and gastrocnemius and observe their shape and bulk

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27
Q

Describe how you can check for swelling?

A

Observe the shape of the legs
You should expect to see a normal profile
Comparison of both legs is useful
However swelling may often affect both lower legs and may suggest circulatory problems
If swelling is accompanies by redness, pain and heat this is indicative of any inflammatory response

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28
Q

Describe what to look for with scars?

A

Note the location and description of any scars
Ascertain from the patient the reason for scarring
If it is from surgery you should ask the patient the aims of the surgery and if it was successful
Recent scars tend to be red, whereas older scars are white
Take note of the amount of scarring
Excessive thickened scar tissue us referred to as hypertrophic scarring

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29
Q

Describe the process of checking callosities?

A

Observe the lower leg for any thickened, hardened skin
This is most likely to be seen on the sole of the foot but may also be seen in other areas: the dorsal surface of toes if shoes are too tight, or areas where the prosthesis or orthosis is causing excess pressure
Describe the location and size of the callosity

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30
Q

Describe the process of checking nails/toes?

A

Check the condition of the toes and nails: colour, thickness, shape and texture
Fungal infections are one of the most common problems seen: the nail may be thickened and discoloured
It may then become fragile, soft and crumbly
However remember that not every thickened discoloured nail is infected. Other reasons may be psoriais or eczema

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31
Q

Where else might thickened course and irregular nails be seen?

A

Ischaemic foot

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32
Q

What type of nail may suggest deficiency of oxygen to major organs- heart and lungs?

A

Clubbing nails which grow around the tip of fingers or toes

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33
Q

What should you look for with general body alignment?

A

In standing lying supine and sitting, observe the trunk and the major joints of the lower limb in the sagittal coronal and transverse planes

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34
Q

For looking at general body alignment what should be viewed in the coronal plane?

A

The nose, xiphoid process and umbilicus should be in a straight line
The anterior superior iliac spines should be at the same level

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35
Q

What should be viewed about general body alignment in the sagittal plane?

A

The tip of the ear, the tip of the acromion process, the high point of the iliac crest and the anterior aspect of the lateral malleolus should be in line. In the spine observe for the normal cervical and lumbar lordoses (inward curvatures) and the thoracic kyphosis (outward curvatures)

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36
Q

What should be looked at for general body alignment in the transverse plane?

A

Observe the degree of toe in or toe out
Normal toe out is between 5-18degrees measures from the line of progression
It increases as a child grows to adulthood
The patella should be facing straight ahead
If there is excessive toe in or toe out or the patella is not facing directly forward further examination is required to determine if the rotational deformity comes from one of the joints or from one of the long bones such as the femur or tibia

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37
Q

What is tibial torsion?

A

The degree of rotation of the tibia along it’s long axis
To check tibial torsion angle the patient lies prone and the patient’s knees are flexed to 90degrees
Ensuring that the subtalar joint has been placed in the neutral position, the examiner observes the angle between the line of progression and the degree of toe out
If it is greater than normal toe out this is external tibial torsion
If it is less, this is internal tibial rotation

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38
Q

What should be observed about upper limb condition in the look section?

A

A full upper limb assessment is not carried out
However the condition of the upper limb should be observed
The patient should be asked if they have problems in relation to donning and doffing a device, or footwear for example
If questioning the patient highlights any problems this may warrant further investigation and assessment
Observe for major problems such as congenital abnormalities, limb absence, fixed deformities and muscle atrophy

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39
Q

What should be done before commencing the feel part of the assessment?

A

Find out if the patient has any pain
Causing or increasing pain experienced by the patient during the assessment may result in the rapport that you have built up with the patient being lost

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40
Q

What is important about pain in the feel part of the assessment?

A

Be aware of any pain throughout assessment
If any movements or tests elicit pain you should stop doing these
Question patient with regards to nature and intensity of pain
Observe the patient for any visual signs of discomfort

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41
Q

What should you take note of regarding pain in the feel section?

A

The location
History: when did the pain begin? Did a particular activity cause the pain? Has it happened before?
A description: stabbing, burning, crushing, itching
Intensity: constant, mild, severe, moderate
Timing: at what times does the pain exist? Is it constant? What exacerbates/relieves the pain?

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42
Q

What may cause discomfort or pain?

A

Scarring
It is useful to feel if the scar is mobile and without pain, or adherent(sticks to the underlying tissues). Adherent scars are often painful.

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43
Q

What is included in the feel section?

A
Pain
Sensation
Swelling
Temperature
Capillary return 
Vascularity
Proprioception
Extremity shortening
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44
Q

What types of sensation are there?

A

Normal
Anaesthesia
Hyperthesia

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45
Q

What should be check about sensation in the feel section?

A

Using light touch you should check all areas of the leg for adequate sensation
Begin distally at the feet and then move proximally
Use a monofilament for this
Before commencing the assessment with the monofilament demonstrate its use on your hand then the patients hand
Pay particular attention to areas you may have already identified as problematic eg scarred areas that may indicate surgical intervention
However do not test over areas where there is a callus

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46
Q

Describe using a monofilament

A

The patient is instructed to close their eyes and to tell you when he can feel the monofilament touching
The monofilament is applied at right angles to the area being tested
It is applied until it bends and the position is maintained for 1-2seconds
If the patient is able to identify this in several places, it is likely that they have normal sensation
The monofilament allows more quantitive testing as it will bend to form a ‘C’ shape under a fixed amount of pressure, usually 10g.
The monofilament should be applied at 90degrees to the surface of the skin and will bend when sufficient pressure is applied
Timing and location should be randomised to avoid the patient guessing as to where and when you are testing

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47
Q

Describe anasthesia

A

Sensory loss in areas where the patient cannot feel the filament

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48
Q

Describe hyperthesia

A

An abnormal increased sensitivity to sensory stimuli
If the patient has hyperthesia they may find this test uncomfortable as it often affects the pain as well as the touch receptirs

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49
Q

What should be noted on discovery of hyperthesia or anasthesia?

A

The location of areas affected

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50
Q

What is swelling?

A

An abnormal enlargement of a part of the body

Could be the result of bone thickening, synovial membrane thickening or fluid accumulation around a joint

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51
Q

What is oedema?

A

Sometimes used to describe swelling
But this refers specifically to an excess of fluid in the interstitial tissues (the space between cells).
Oedema should only be used if it is pitting

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52
Q

How do you check for pitting oedema?

A

Use your thumb and apply pressure over a specific area of the lower leg
When the thumb is removed and the skin remains indented and does not return to its original shape this indicates pitting oedema

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53
Q

What can swelling occur due to?

A

Inflammation

You should be able to identify other signs of inflammation such as redness and heat

54
Q

How can you check temperature?

A

Using the posterior surface of the hand against different areas of the leg
A comparison of proximal and distal portions of the leg and of both sides is useful

55
Q

What could the leg being cool indicate?

A

Circulatory disturbances

In such areas other signs such as lack of hair growth may also be observed

56
Q

What might a warm leg indicate?

A

An infection or

An inflammatory response

57
Q

Why might patients who have muscle paralysis/atrophy such as polio have decreased temperature?

A

Due to lack of muscle pumping action

These patients may have good capillary return indicating there is not a problem with circulatiob

58
Q

Describe how you would check capillary return?

A

Capillary refill or return tests the return of blood flow after pressure is removed
Squeeze the distal tip of the hallux with your thumb and forefinger
The skin and the nail where pressure is applied will blanch(whiten)
As pressure is removed the colour should return immediately
If it takes longer than 2 seconds capillary refill is delayed
This indicates there us some impairment of blood flow

59
Q

When would you generally expect a slower capillary return?

A

Elderly patients

60
Q

How would you check vascularity?

A

Check for pulses if the foot and ankle

61
Q

Why should you use two fingers for checking pulses?

A

Thumb has pulse of it’s own

62
Q

What two pulses should be checked?

A

Dorsalis Pedis

Tibialis Posterior

63
Q

Describe checking dorsalis pedis.

A

Dorsal surface of foot, between 1st and 2nd metatarsal

It should be noted that it is absent in 10% of healthy people so it’s absence does not always indicate poor vascularity

64
Q

Describe checking tibialis posterior

A

Just posterior to medial malleolus

65
Q

What is proprioception?

A

Another type of sensation
Awareness of joint and muscle position in space and tension in a muscle
In order to check proprioception we begin at the joint most distal in the somatosensory pathway
If the proprioception at the first mtp joint is good it can be assumed that more proximal joints will also have good proprioception

66
Q

How should you hold the hallux when checking proprioception?

A

On the medial and lateral side
This ensures you are able to move the joint without putting pressure on the dorsal or plantar surface of the hallux
Otherwise the patient may be able to sense from other receptors (pressure and temperature receptors) in which direction the joint is being moved
Ask the patient to close their eyes and then move the hallux up or down
Ask the patient to identify which direction the hallux has been moved
Repeat a few times
Take care not to brush your fingers against the 2nd toe, as this may give the patient an indication as to which direction

67
Q

How do you check for extremity shortening?

A

Measure for a leg length discrepancy which may have been observed earlier
Measure both true and apparent lld

68
Q

What is a true lld?

A

Measured from ASIS to apex of medial malleolus with patient in a supine position
Checking to see if there is an actual difference in length
Ensure before measuring that pelvis is level as it can be and legs are as straight as possible

69
Q

What causes are there for a true leg length discrepancy?

A

Femoral fracture
Reduced growth of bone due to a process in childhood
Many patients will compensate by tilting their pelvis and even developing a scoliosis(lateral curvature of the spine) which may then become a fixed deformity

70
Q

If finding a true lld what may you wish to do?

A

Identify where the shortening has occurred
You can use a bony landmark such as the medial tibial plateau to measure femoral and tibial length then compare it to the opposite side

71
Q

How is apparent lld measured?

A

From xiphoid process to apex of medial malleolus

72
Q

What is an apparent lld?

A

Function difference in lld an can occur where the length of limb segments is same but other factors cause a functional shortening eg a contracture or scoliosis

73
Q

Give examples of what may cause an apparent lld?

A

Knee or hip flexion contracture
Fixed pelvic obliquity
Scoliosis

74
Q

What is a common cause of true and apparent lld?

A

Osteoarthritic hip

75
Q

What is functional leg length?

A

Comparison of the length of both legs when weight bearing
Can be checked using the anterior superior iliac spines(ASIS) or posterior superior iliac spines(PSIS)
Ensure locate each landmark accurately with tip if thumbs and wyes are at the same level as the thumbs

76
Q

What is balance?

A

The ability to right oneself and prevent falling

77
Q

Where should balance be checked?

A

Sitting and standing

78
Q

Describe how you would check balance when sitting

A

In order to carry out the test safely, first you must ask the patient if the have any problems with their balance
To check balance when sitting, stand behind the individual and moving them off balance observe their ability to right themselves
Ensure that the patient does not use their hands to assist their balance
If someone has balance problems they will find it difficult to correct themselves

79
Q

What safety information is important for checking balance?

A

Ensure patient safety

Tell the patient what you are going to do first and ensure you will be able to catch them if they begin to fall

80
Q

How would you test standing balance?

A

Asking the patient to stand on the unaffected leg and then the affected leg first with their eyes open and then with eyes closed
This gives indications of both balance and proprioception
Remember that some patients may not be able to do this
You must take into account your patients diagnosis before considering this

81
Q

What is included in the move section?

A

Balance
Knee ligament laxity
Rom
Muscle strength

82
Q

What position must all ranges of motion or ligament testing commence from?

A

Neutral position

83
Q

What are the main ligaments of the knee?

A

Medial and lateral collateral ligaments

Anterior and posterior cruciate ligaments

84
Q

How would you check medio-lateral stability?

A

Knee should be placed in 20-30degrees flexion so the quadriceps tendon is relaxed and does not lock the knee

85
Q

How would you check the medial collateral ligament?

A

Place one hand just proximal to the knee joint on the lateral side and one hand distal to the knee on the medial side, at ankle level. Apply pressure (medially directed) to the lateral side of the knee, while applying a laterally directed force proximal to the medial malleolus in order to feel any movement that increases the valgus angle
Compare both sides as some people have naturally lax ligaments
If the medial collateral ligament is lax there will be a tendency for a valgus deformity

86
Q

How would you check the lateral collateral ligament?

A

Change the position of your hands to just proximal to the medial knee joint, with the other hand on lateral distal aspect of leg.
Apply a laterally directed force with the hand on the medial side of the knee while applying a medially directed force proximal to the lateral malleolus with your other hand
If the lateral collateral ligament is lax there will be a tendency for a varus deformity

87
Q

In valgus deformity at the knee what happens?

A

The medial compartment opens up

88
Q

In a varus deformity what happens?

A

The lateral compartment opens up

89
Q

How do you check anterior and posterior stability?

A

Check anterior and posterior cruciate ligaments
Use drawer test
Patient’s hip is flexed to 45degrees and knee is flexed to 90degrees
The patients foot is stabilised on the table by the examiner who sits on the forefoot
This may be difficult if the patient has a painful foot or has limited ROM

90
Q

What should be done before assessing the anterior cruciate ligament?

A

A visual inspection should be carried out to identify possible posterior cruciate ligament laxity
This is because it is possible to get a false positive when checking the anterior cruciate ligament; if the posterior cruciate ligament is torn, gravity will cause the tibia to drop posteriorly and when the tibia is pulled forward a large amount of movement is seen

91
Q

Where can posterior subluxation of the tibia be seen?

A

By observing the orientation of the tibia in the sagittal plane which will help confirm posterior cruciate ligament laxity

92
Q

Describe the anterior drawer test

A

The examiners hands are placed around the tibia and thumbs are placed anteriorly on either side of the tibial crest
The tibia is then drawn forward on the femur
Any movement more than 6mm is considered abnormal

93
Q

Describe checking posterior cruciate ligament

A

Hand position is the same
But tibia is move posteriorly on the femur
Again any movement more than 6mm is considered abnormal.

94
Q

What will be seen with a lax posterior cruciate ligament?

A

Tibia will slide posteriorly on femur

Tibial sag will be seen

95
Q

Describe a second test for the anterior cruciate ligament

A

Lachmans test
Assesses anterior cruciate ligament in isolation
Patient lies supine with assessed leg positioned in 20-30degrees flexion where the anterior cruciate ligament is particularly important in stabilising the knee
One hand should stabilise the femur while the other hand should move the tibia anteriorly
A firm end point is expected
A positive sign, indicating damage to the ACL is demonstrated by a soft or mushy end feel and greater anterior translation compared to the sound side

96
Q

What should you check about the patella?

A

Alignment of patella may indicate rotational malalignment
Ask patient to stand with feet together with the inner borders of feet parallel and facing directly forward
For optimum alignment the patella faces directly forward

97
Q

Describe the q angle

A

An angle between a line from the asis to centre of patella and a line from the centre of patella through the centre of the tibial tubercle
The average q angle is 15degrees
Women usually have a greater q angle due to a wider pelvis
An increase q angle may be associated with patella-femoral pain

98
Q

What is patella alta?

A

Patella that sits too high on the femur

99
Q

How do you check for patella alta?

A

Ask patient to sit with knees flexed to 90degrees
The patella should be facing directly forward
If it faces upwards this is referred to as patella alta

100
Q

How would you check patellar stability?

A

With knee extended but ensuring the quadriceps tendon is relaxed grasp the patella and move it distally and proximally and from side to side
It should move up to half its width medially and laterally

101
Q

What is used to check joint rom?

A

Gonimeter

There are a range of goniometers available

102
Q

How do you use a goniometer?

A

Important to take several readings
Axis of goniometer should be held over the joint centre and the arms are placed along the length of the limb segment as the joint is moved
The stationary arm is placed along the joint segment that remains stationary and the movable arm is placed along the length of the joint segment that moves
Ensure you are reading the scale correctly

103
Q

What is active rom?

A

Where the patient moves the joint through it’s arc of motion themselves
This is useful as it gives an indication of the function of the muscles
When performed against gravity this effectively measures muscle strength at grade 3 on the mrc scale for measuring muscle strength

104
Q

What is passive rom?

A

Where the examiner moves the joint through its arc of motion
Passive rom gives an idea of if there is dyfunction in any of the anatomical structures involved in passive movement, such as ligaments, muscles or joints.

105
Q

What is it important to consider when checking joint rom?

A

Effect of a limited range on gait

A good knowledge of rom requires for gait is therefore essential

106
Q

What test is used to check for a hip flexion contracture?

A

Thomas test

107
Q

Describe the thomas test

A

Assesses the presence of a hip flexion contracture by limiting movement of the pelvis
The patient lies supine and flexes both hips until they are touching the check
One knee is held in place by the patient or clinician
The hip being tested is then gradually extended by bringing the leg down to the bed, until the lumbar spine begins to rise
This is detected by a reduction of pressure on the hand placed under the patients lumbar spine
If leg reaches table with lumbar spine flattened there is no hip flexion contracture
If hip does not extend enough to allow the leg to lie flat on the table measure the angle between the femur and the horizontal- this is the angle of hip flexion contracture, placing the goniometer axis at the greater trochanter
It is possible for the patient with a hip flexion contracture to get the leg flat on the table by increasing their lumbar lordosis
This is why it is important to check with the hand under the lumbar spine to ensure it remains flat

108
Q

What test is used to check hip abductor muscle function?

A

Trendelenburgs sign

109
Q

Describe tendelenburgs sign

A

If the patient is able to do so ask them to stand on one leg between parallel bars
If the pelvis drops excessively to the unsupported side this could be because of weak hip abductors on the weight bearing leg
This is called a positive trendelenburg sign

110
Q

What happens with a negative tendelenburg sign?

A

Hip abductors contract

111
Q

What should be noted about people with weak hip abductors?

A

Will compensate by lateral trunk bending to the weakened side
This shifts the centre of gravity closer to the femoral head and reduces counterbalancing force required by the hip abductors

112
Q

How do you measure hip flexion?

A

Lying supine, hip flexed
Active rom:120flexion Passive Rom:120flexion
Goniometer axis:greater trochanter
Stationary arm:parallel to table
Movable arm: parallel to long axis of femur

113
Q

How do you measure hip extension?

A

Lying prone
Active rom:10-15degrees extension passive rom:30degrees extension
Goniometer axis:greater trochanter
Stationary arm:parallel to table
Movable arm:parallel to long axis of femur

114
Q

Describe how you would check hip abduction and adduction?

A

Lying supine with asis as level as possible
Hip abduction: 30-50 active, 45-50passive
Hip adduction:30active, 20-30passive
Goniometer axis: asis on side to be measured
Stationary arm:pointing towards other asis
Movable arm:parallel to long axis of femur

115
Q

How would you check hip internal and external rotation?

A

Lying supine with hip and knee flexed to 90degrees
Medial roation: 30-40degrees medial rotation active, 35degrees medial rotation passive(internal)
Lateral rotation: 45degrees lateral roation active, 40-60 degrees lateral rotation passive(external)
Goniometer axis: mid-point of patella
Stationary arm: parallel to mid line of body
Movable arm: parallel to long axis of tibia
Can also be tested with patient in a sitting position

116
Q

Describe how you would check knee flexion and extension rom?

A

Lying supine
Knee flexion: 135 degrees active, 135 degrees passive
Knee extension: 0 degrees active, 0-10 degrees passive
Goniometer axis: lateral condyle of femur
Stationary arm: parallel to femur
Movable arm: parallel to long axis of fibula pointing towards lateral malleolus

117
Q

Describe how you would measure talocrural ankle plantarflexion and dorsiflexion rom?

A

Lying supine, start at plantargrade with subtalar neutral, knee should be extended
Plantarflexion: 50degrees plantarflexion active and passive
Dorsiflexion: 20 degrees dorsiflexion active and passive
Goniometer axis: distal aspect of lateral malleolus
Stationary arm: parallel to plantar surface of the foot
Movable arm: along length of fibula, pointing to fibular head

118
Q

Why is there different amounts of dorsiflexion with the knee extended and knee flexed?

A

Gastrocnemius crosses both the knee and talo-crural joints
Therefore when knee is flexed talocrural joint is able to dorsiflex more as it steals some of the length from behind the knee
When rom is assessed with the knee extended this indicates the gastrocnemius length: with the knee flexed this isolates the soleus muscle

119
Q

Describe subtalar pronation and supination

A

Movements at the subtalar joint are complex and involve 3 planes:sagittal coronal and transverse
This is referred to as a tri planar joint where there is movement in all three anatomical planes simultaneously
This makes measurement of this movement difficult
It can be quite variable but you should expect to see ratio of approximately 2:1

120
Q

Describe pronation at the subtalar joint

A

Combination of eversion dorsiflexion and abduction of the foot and ankle

121
Q

Describe supination of the subtalar joint

A

Combination of inversion plantarflexion and adduction of the foot and ankle

122
Q

Describe checking subtalar joint rom

A

Inversion 20-30 degrees eversion 0-15degrees
Lying in prone position with feet and distal third of tibia overhanging table beginning at subtalar neutral
Goniometer axis: achilles tendon, distal to medial malleolus
Stationary arm: along length of tibia
Moveable arm: centre line of calcaneus

123
Q

What are the joints of the foot?

A

Mid tarsal joint

Metatarsophalangeal joints

124
Q

Describe the mid tarsal joint

A

Refers to the articulations between the calcaneocuboid and talonavicular joints
It is also a triplanar joint with movements of pronation and supination
This movement works in combination with the subtalar joint

125
Q

Describe the metatarsophalangeal joints

A

At these joints flexion extension abduction and adduction occur

126
Q

What scale is used to measure muscle strength?

A

Mrc oxford scale

127
Q

What is muscle strength?

A

Greatest amount of force a person can exert at any one time
This should not be confused with muscle power which relates to the amount of moment around a joint multiplied by the angular velocity around a joint

128
Q

Describe the mrc oxford scale

A

Reliable and validated scale for assessing muscle weakness and is graded as follows:
0- no movement
1- flicker is perceptible in the muscle
2- movement with gravity eliminated
3- can move limb against gravity
4- can move against gravity and some resistance exerted by examiner
5- normal power

129
Q

What muscle groups should the strength be measured at?

A

Hip joint: abductors, adductors, flexors, extensors, internal and external rotators
Knee: flexors and extensors
Talocrural joint: plantarflexors and dorsiflexors
Subtalar joint: supinators(invertors) and pronators(evertors)

130
Q

How would you check muscle strength at each group of muscles?

A

Begin at grade 3(by testing active rom)
Therefore ask the patient to move their limb through the range of motion against gravity
If they are able to do this you can then apply increasing levels of resistance to check for grade 5
If the patient is unable to move through the full range due to muscle weakness then you need to move down the scale to grade 2 by positioning the patient in a position where gravity is eliminates
Remember to observe for compensatory and trick movements the patient the patient may make to mask the weakness of some muscle groups
One way to identify if the correct muscle group is firing is by placing your hand over the muscle group being tested you should expect to feel it contracting

131
Q

If your patient is unable to move their limb through the range of motion themselves what do you need to identify?

A

If it is because of a limited rom or muscle weakness

Refer to your passive rom assessment carried out previously

132
Q

Describe assessing gait

A

Collating all the information you have gained during patient assessment and identifying the influence of muscle nerve or joint dysfunction on gait
This can sometimes be difficult as patients will often use compensatory mechanisms to allow them to walk more easily
However with an accurate patient assessment and a good understanding of normal gait you should be able to identify the primary deviations (caused by the dysfunction) from the secondary deviations (caused by compensations for the dysfunction)!

133
Q

How should gait be observed?

A

In both sagittal and coronal planes
Focus on each joint in turn and then consider how all this information fits together in relation to the findings of your assessment