Musculoskeletal III (MSK III) Flashcards

1
Q

What is the Lower Extremity?

A

The lower extremity is everything from the Hip (innominate bone) to the toes.

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2
Q

What are all joints included in the lower extremity?

A
  • Hip
  • Knee
  • Ankle
  • Foot
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3
Q

What is the Joint-Hip?

A
  • Innominate
  • Femur
  • Innominate is 1 pelvis bone
  • Ball and socket joint
  • Lots of motion happens here
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4
Q

What is the Bones Hip-Innominate?

A
  • There are 2 innominates (right and left) in the pelvis
  • One innominate is made up from 3 fused bone (ilium, ischium and pubis)
  • The place where the femur sits in is termed the acetabulum
  • The acetabulum is formed by all three fused bones
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5
Q

How many innominates are there in the Hip bone?

A

2 (right & left) in the pelvis

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6
Q

What is one innominate made up from?

A

3 fused bone (ilium, ischium and pubis)

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7
Q

Which fused bone do you sit on?

A

ischium

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8
Q

The place where the femur sits in is termed the…

A

acetabulum

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9
Q

The ______ is formed by all 3 fused bones

A

acetabulum

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10
Q

How many bones join at acetabulum?

A

3

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11
Q

The Bone Hip-Innominate is…

A
  • 2 innominates + sacrum + coccyx = Pelvis
  • Abdominal muscles, glutes hamstrings, adductors and one quad attaches to this bone
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12
Q

One Hip-innominate attaches to:

A
  • Sacrum
  • Femur
  • Other innominate
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13
Q

What is the Bones Hip-Femur?

A
  • Strongest bone in the
    body
  • Part of the largest joint.
  • Shape can be very different from one person to another
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14
Q

What is the Joint-Knee made up of?

A
  • Femur
  • Tibia
  • Patella
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15
Q

Which is the largest joint in the body?

A

Knee joint
* Tons of ligaments
* Synovial capsule

(but has most problems b/c of weight)

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16
Q

Is the fibula part of the knee joint?

A

it’s weak

technically not part of knee

Define joint

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17
Q

What is the Bones Knee-Femur?

A

The distal femur

  • Place for patella
  • The femur basically sits on top of the tibia

** Medial condyle is bigger

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18
Q

Which is bigger in terms of the femur in the knee?

A

medial condyle

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19
Q

What is the Bones Knee-Tibia?

A
  • The tibia is considered the shin bone
  • Found medially compared to tibia
  • Quite sharp anteriorly
  • get rug burn/bruises on this part
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20
Q

What is the Bones Knee-Patella?

A
  • The patella is considered a sesamoid bone
  • Found inside the quad tendon
  • Apex is found inferiorly
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21
Q

What are the actions of the hip?

A
  • Flexion
  • Extension
  • Abduction
  • Adduction
  • External/Internal Rotation
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22
Q

What are the actions of the knee?

A
  • Flexion/Extension of foot more so?
  • Flexion/Extension of knee
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23
Q

What is apart of the Anterior Thigh?

A
  • Iliopsoas
  • Quadriceps Femoris (quads)
  • Rectus Femoris (rectus means front/centre)
  • Vastus lateralis
  • Vastus medialis
  • Vastus Intermedius
  • Sartorius (tear drop)
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24
Q

What is apart of the Glute area?

A
  • Gluteus maximus (rhon. shaped - posterior)
  • Gluteus medius (lateral)
  • Gluteus minimis (lateral)
  • Deep lateral rotators (piriformis)
  • makes legs go laterally
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25
Q

What is apart of the Posterior Thigh?

A

Hamstrings
* Biceps femoris
* Semitendinosis (strong ones - medial)
* semimembranosis (medial)

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26
Q

The Deep lateral rotators (piriformis)…

A

sits on synatic nerve & feels like a herniated disc pain

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27
Q

What is apart of the Medial Thigh?

A
  • Adductors (when you pulled a groin muscle)
  • Adductor magnus (biggest/thickest)
  • Adductor brevis
  • Adductor longus
  • Pectineus
  • Gracilis
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28
Q

What is the muscle not covered but interesting?

A

TFL: Tensor fascia latae
* The TFL is continuously attached to the IT band
* IT band means; iliotibial band (ilia –> tibia band)
* Strong in runners
* Flexes hip

29
Q

What is the Pes Anserine?

A

on medial ant. tibia where 3 muscles come & insert (Gooses Foot)
- GST spot

Gracilis (adductor)
Sartorius
semiTendinosus (take some of this 1 & take it for knee replacement - ACL tear)

30
Q

What is the action of the Iliopsoas muscle?

A

Hip flexion

31
Q

What is the action of the Rectus femoris muscle?

A

Hip flexion, knee extension

32
Q

What is the action of the Vastus Lat, med, inter muscle?

A

Knee extension

33
Q

What is the action of the Sartorius muscle?

A

Hip flexion, hip abduction, hip lateral rotation and knee flexion

34
Q

What is the action of the Glute max muscle?

A

Hip extension and lateral rot

35
Q

What is the action of the Glute min muscle?

A

Hip abduction and med rot

36
Q

What is the action of the Hamstrings muscle?

A

Hip extension and knee flexion

37
Q

What is the action of the Piriformis muscle?

A

Hip lateral rotation

38
Q

What is the action of adductors muscles?

A

Hip adduction

39
Q

What is apart of the Joint-Ankle?

A
  • Tibia
  • Fibula
  • Talus
40
Q

What is the Bones Ankle-Tibia and Fibula?

A
  • The distal tibia and the fibula make up the “mortise of the ankle
  • like mortar & pestle
  • The malleoli are what people feel as their ankle
  • Fibula in Latin means brooch
41
Q

What is the Bones Ankle-Talus?

A
  • The Talus sits inside the tibia and fibula
  • Many ligaments found here to stabilize the ankle
  • More in number and stronger in stability on the medial side
42
Q

What are the actions of the ankle?

A
  • Platarflexion/Dorsiflexion
  • Inversion/Eversion
43
Q

What is apart of the Posterior Calf?

A

Calf

Posterior deep

Hallux

Digit

Tibia

44
Q

What is apart of the Posterior deep of the ankle?

A

tibialis posterior
flexor digitorum longus
flexor hallucis longus

45
Q

What is Hallux of the Posterior Calf?

A

big toe

46
Q

What is Digit of the Posterior Calf?

A

4 lesser toes

47
Q

What is the Tibia of the Posterior Calf?

A

mostly on tibia not attaching to toe

48
Q

What is the Lateral Leg?

A
  • Fibularis/peroneus= all mean near the fibula
  • Tendons go behind lateral malleolus
49
Q

What are the Anterior Compartment of the Ankle?

A
  • Tibialis ant
  • Ext Hallucis Long
  • Ext digitorum Long
  • Fibularis tertius
50
Q

What is the Lateral Compartment of the Ankle?

A
  • Fibularis longus
  • Fibularis brevis
51
Q

What is the Post deep Compartment of the Ankle?

A
  • Tibialis post
  • Flex Hallucis Long
  • Flex digitorum Long
52
Q

What is the Post superficial Compartment of the Ankle?

A
  • Gastrocnemius
  • Plantaris
  • Soleus
53
Q

What is the Anterior compartment of the ankles action?

A

Extension/dorsiflexion

54
Q

What is the Posterior compartment of the ankles action?

A

Flexion/plantarflexion

55
Q

What is the Lateral compartment of the ankles action?

A

eversion

56
Q

What is apart of the Anterior (Extensors/dorsiflexion) of the Ankle?

A
  • Tibialis Anterior
  • Extensor digitorum longus
  • Extensor hallucis longus
57
Q

What is apart of the Posterior (flexors/plantarflexion) of the Superficial Ankle?

A
  • Gastrocnemius
  • Plantairs
  • soleus
58
Q

What is apart of the Posterior (flexors/plantarflexion) of the Deep Ankle?

A
  • Tibialis Posterior
  • Flexor digitorum longus
  • Flexor hallucis longus
59
Q

What is apart of the Lateral (everters) of the Ankle?

A
  • Fibularislongus
  • Fibularisbrevis
60
Q

What is apart of the ankle?

A

T - Tibialis posterior
D - flexor Digitorum
A - posterior tibial Artery
V - Vein
N - tibial Nerve
H - flexor Hallucis longus

(Tom Dick And Very Nervous Harry)

61
Q

What is the Nerves-lumbosacral Plexus?

A

The lumbo-sacral plexus is a group of nerves in the area that stem from L1-S4
* It serves the muscles of the lower legs

62
Q

What is the separation of the Nerves-lumbosacral Plexus?

A
  • Roots L1-S4
  • Terminal branches
  • Anterior
  • Posterior
  • What muscle group does it serve
63
Q

What is the Blood Supply for the Nerves-lumbosacral Plexus?

A

External Iliac –> Femoral – (Adductor hiatus) -> Popliteal –> Fibular, Posterior Tibial & Anterior Tibial

64
Q

What is apart of the Nerves-Lumbosacral Plexus?

A
  • Femoral nerve
  • Obturator nerve
  • Superior gluteal nerve
  • Inferior gluteal nerve
  • Sciatic nerve
65
Q

Femoral nerve (of Nerves-Lumbosacral Plexus):

A

Anterior

Quads

66
Q

Obturator nerve (of Nerves-Lumbosacral Plexus):

A

Anterior/medial
Adductors

67
Q

Superior gluteal nerve (of Nerves-Lumbosacral Plexus):

A

Posterior
Glute med + min

68
Q

Inferior gluteal nerve (of Nerves-Lumbosacral Plexus):

A

posterior
Glute max

69
Q

Sciatic nerve (of Nerves-Lumbosacral Plexus):

A

Hamstrings and everything below the knee