MSK W1 Flashcards

(161 cards)

1
Q

What are the three stages of healing?

A
  1. Inflammation 2. Repair 3. Remodelling
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2
Q

What is the duration of the inflammation stage?

A

Immediately following injury to 3-5 days

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3
Q

What does the acronym PRICE stand for?

A

Protection, Rest, Ice, Compression, Elevation

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4
Q

What occurs during the repair stage?

A

Phagocytosis of necrotic fibers, regeneration of myofibers, formation of scar tissue, capillary ingrowth

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5
Q

How long does the remodelling stage last?

A

14 to 21+ days, complete healing may take up to 2 years

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6
Q

What is the key factor in an exercise program designed to increase muscle strength?

A

Intensity

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7
Q

What are some types of resistance exercises?

A
  • Manually applied * Isometric * Isotonic * Elastic resistance * Isokinetic * Body weight * Circuit training
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8
Q

What are the benefits of regular patient exercise?

A
  • Decrease in serum lipid levels * Improvement in maximum oxygen consumption * Increase in HDL levels * Decrease in high blood pressure * Improved or relieved angina * Improved aerobic capacity or decreased depression following a myocardial infarction
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9
Q

What are contraindications to resistance exercises?

A
  • Acute inflammation * Joint effusion * Severe cardiovascular disease * Fracture * Joint/muscle pain during AROM or muscle testing
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10
Q

What is eccentric exercise?

A

Dynamic muscle contraction that causes joint movement as the muscle lengthens under tension

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11
Q

What is concentric exercise?

A

Dynamic muscle contraction that causes joint movement as the muscle contracts and shortens

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12
Q

What are open chain exercises?

A

Unrestricted movement in space of a peripheral segment

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13
Q

What are closed chain exercises?

A

The peripheral segment meets with considerable external resistance

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14
Q

What is the force-length curve of muscle?

A

Optimal length where sarcomere can generate greatest force

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15
Q

What is Exercise Induced Muscle Damage (EIMD)?

A

Damage to muscle fibers resulting from strenuous exercise, typically eccentric

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16
Q

What is DOMS?

A

Delayed onset muscle soreness, peaks 48 hours after eccentric exercise

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17
Q

What is the ‘Repeated Bout Effect’?

A

Adaptation of muscle after eccentric EIMD, leading to reduced markers of muscle damage

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18
Q

What are key components to stretching?

A
  • Proper alignment
  • Stabilization
  • Intensity
  • Duration, speed, frequency, & mode of stretch
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19
Q

What are contraindications to stretching?

A
  • Acute infection/inflammation
  • Unhealed fractures *
  • Joint effusion
  • Recent corticosteroid injection
  • Hypermobility/instability
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20
Q

What is a contusion?

A

Muscle injury caused by sudden external force, resulting in bleeding in deep muscle regions

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21
Q

What is the recovery time for a grade I contusion?

A

2-3 weeks

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22
Q

What is myositis ossificans?

A

Formation of bone within muscle, often from direct blow or repeat injury

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23
Q

What are the grades of muscle strains?

A
  • Grade I: Microscopic tearing
  • Grade II: Partial tearing
  • Grade III: Complete tear
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24
Q

What is the recommended initial treatment for muscle strains?

A

PRICE (Protection, Rest, Ice, Compression, Elevation)

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25
What is the difference between weakness and myotomal weakness?
Weakness is no pain, while myotomal weakness shows step-like patterns with no pain
26
What is the treatment for delayed onset muscle soreness (DOMS)?
* Light activity * Massage/bath * Avoid anti-inflammatories if possible
27
What is a laceration?
Cutting of the muscle fibers requiring surgical repair with sutures
28
What is the role of stretching in rehabilitation?
To promote proper alignment and function during healing
29
What are the symptoms of compartment syndrome?
* Pain * Pallor * Pulselessness * Paralysis * Paresthesia
30
What is the importance of warming up before activities?
To prepare the body and reduce injury risk
31
Fill in the blank: The majority of muscle strains occur during _______ loading or high intensity activities.
eccentric
32
What gait pattern is associated with weak Tibialis Anterior?
Increased hip and knee flexion during swing to prevent toe drag ## Footnote This compensatory mechanism helps avoid tripping due to weak dorsiflexion.
33
What compensatory movement occurs with weak hip abductors?
Excessive pelvic rotation and lateral bending toward the weak side during midstance to prevent excessive hip drop ## Footnote This adjustment maintains balance during walking.
34
What is a consequence of weak knee extensors?
Inability to take full weight on limb without knee buckling ## Footnote This can lead to instability and increased risk of falls.
35
What effect does a contracture of hip flexors have on gait?
Limits the ability to extend hip, resulting in shortened step length on the opposite side ## Footnote This can lead to asymmetrical walking patterns.
36
What is the classification of a Grade 1 ligament sprain?
Mild stretch, no instability, single ligament involved, minimal pain and swelling, minimal functional loss ## Footnote This is considered a minor injury.
37
What characterizes a Grade 2 ligament sprain?
Mild to moderate instability, laxity in ligament with stretch, moderate pain and swelling, moderate functional loss ## Footnote An example would be a limp while walking.
38
What defines a Grade 3 ligament sprain?
Significant instability, complete tear, no end feel when ligament testing, possible avulsion fracture, significant functional loss ## Footnote Patients may be unable to weight bear.
39
What is the mechanism of injury (MOI) for a syndesmotic ankle sprain?
Planted foot with internal rotation of the leg, external rotation of talus, hyper dorsiflexion, inversion, and plantarflexion ## Footnote This injury often occurs during activities involving sudden changes in direction.
40
What ligaments are typically affected in a syndesmotic ankle sprain?
AITFL, PITFL, interosseous ligament ## Footnote These ligaments stabilize the syndesmosis between the tibia and fibula.
41
What does the Squeeze Test assess?
Pain radiating to the high ankle ligament area when squeezing the leg just below the knee suggests a high ankle sprain ## Footnote This test evaluates syndesmotic injuries.
42
What are the Ottawa Ankle Rules used for?
To rule out ankle fractures ## Footnote An x-ray is needed if specific tenderness or inability to bear weight is present.
43
What is the primary goal of Phase 1 in ankle sprain treatment?
Protect and decrease inflammation using PRICE and modalities ## Footnote NWB with crutches is often advised during this phase.
44
What is the focus of Phase 2 in ankle rehabilitation?
Increase mobility and strength with bilateral stance training and joint mobilizations ## Footnote This phase typically occurs 2-4 weeks post-injury.
45
What is the common mechanism of injury for ACL sprains?
Plant and twist, often during changes in direction, sudden stops, or direct impact ## Footnote ACL injuries are more common in females than males.
46
What are the signs and symptoms of an ACL tear?
Pain, feeling of instability, giving way of the knee, loss of range of motion, swelling, hemarthrosis ## Footnote These symptoms indicate a significant injury.
47
What is the Unhappy Triad?
ACL, MCL, and medial meniscus injuries ## Footnote This term describes a common combination of knee injuries.
48
What is a key precaution after ACL repair with hamstring graft?
No isolated hamstring strengthening for 4 weeks if the graft is from the hamstring tendon ## Footnote This helps prevent stress on the healing tissue.
49
What does the screw home mechanism refer to?
Occurs at full extension where the tibia externally rotates for maximal stability ## Footnote This mechanism is essential for knee stability during standing.
50
What is the mechanism of injury for MCL sprains?
Valgus force with or without external rotation ## Footnote Injuries can occur from contact or non-contact situations.
51
What are the early goals of treatment for a Grade 2 MCL sprain?
Control swelling, regain ROM, preserve strength, optimize gait ## Footnote Treatment involves a gradual return to function.
52
What characterizes tendinopathy?
Clinical syndrome of tendon pain and thickening ## Footnote It is different from tendinitis, which is acute inflammation.
53
What are intrinsic risk factors for Achilles tendinopathy?
inc Age * Sex: M>f * Flat feet or high arches * Tight calf muscles * psoriasis, high blood pressure, diabetes, and rheumatoid arthritis can increase risk. * Family History: * Obesity, high blood pressure, diabetes, and prolonged steroid use ## Footnote These factors increase the likelihood of developing tendon issues.
54
What is a common complaint of Achilles tendon rupture?
A sensation of being kicked or shot in the lower calf ## Footnote This is often accompanied by a positive Thompson's test.
55
What is the treatment protocol for Achilles tendon rupture?
Initially NWB with crutches and/or boot, followed by progressive loading and strength training ## Footnote The rehabilitation process typically spans several weeks.
56
What is Tibialis Posterior Tendinopathy?
Compressed under medial malleolus, can irritate with hyperpronation ## Footnote Key structures running under the medial malleolus include Tibialis Posterior, Flexor Digitorum Longus, Posterior Tibial Artery, Tibial nerve, and Flexor Hallucis Longus.
57
What are the causes of Tarsal Tunnel Syndrome?
Trauma, space occupying lesion, inflammation, inversion, pronation, valgus deformity ## Footnote Tarsal Tunnel Syndrome is a condition affecting the tibial nerve and associated structures.
58
Where is the complaint of pain with Tarsal Tunnel Syndrome?
Medial heel and medial longitudinal arch ## Footnote Pain is often aggravated by standing, walking, and at night.
59
What type of pain is associated with Plantar Fasciitis?
Plantar aspect of foot, anterior calcaneus ## Footnote Pain is typically worse with walking, running, and in the morning.
60
What are the AROM findings for Tarsal Tunnel Syndrome?
Full: but may have pain with inversion and PF ## Footnote Active range of motion (AROM) is generally not restricted.
61
What are the AROM findings for Plantar Fasciitis?
Full; likely will complain of pain with walking (windlass mechanism) ## Footnote Active range of motion (AROM) remains intact.
62
What are the sensory deficits in Tarsal Tunnel Syndrome?
Possible: if tibial nerve is compressed as it passes through the tarsal tunnel ## Footnote Sensory deficits to heel, sole of the foot (medial & lateral) and bottom of the toes.
63
What are the sensory deficits in Plantar Fasciitis?
None ## Footnote This condition typically does not involve sensory deficits.
64
What is a common overuse injury of the elbow?
Lateral Epicondylagia ## Footnote This injury primarily affects the ECRB muscle.
65
What diagnostic test is used for Lateral Epicondylagia?
Maudsley’s test, Cozens test, Mills test ## Footnote These tests evaluate pain related to wrist and finger extension.
66
What is the primary cause of Medial Epicondylagia?
Repetitive motions into wrist flexion ## Footnote Common activities include swinging a golf club or work-related grasping.
67
What is the main symptom of De Quervain's Tenosynovitis?
Pain with radial deviation and stretch (ulnar deviation) ## Footnote Thickening and swelling over ABL(abductor pollicus longus) and EPB may also be present.
68
What is the Finkelstein’s test used for?
To diagnose De Quervain's Tenosynovitis ## Footnote The test involves tucking the thumb in a fist and ulnar deviating the wrist.
69
What is the early treatment goal for Lateral Epicondylagia?
Control pain/inflammation ## Footnote Strategies include rest, ice, modalities, and patient education.
70
What is the treatment approach for Rotator Cuff Tendinopathy?
Strengthening proximal muscles before starting dynamic strengthening ## Footnote This is crucial to avoid faulty mechanics.
71
What are the risk factors for Rotator Cuff Tendinopathy?
Obesity, metabolic disorders, muscle imbalance, decreased flexibility, advanced age ## Footnote These factors can contribute to the development of the condition.
72
What does the Drop Arm test assess?
Infraspinatus and supraspinatus function ## Footnote A positive test indicates potential rotator cuff injury.
73
What is a common finding in Medial Epicondylagia?
Palpation tenderness on or near the medial epicondyle ## Footnote Pain is often exacerbated during resisted wrist flexion.
74
What is the first phase of treatment for Rotator Cuff Tendinopathy?
Scapular Stabilization ## Footnote Focus on middle and lower fibers of trapezius & serratus anterior.
75
What is the primary muscle involved in Lateral Epicondylagia?
ECRB (Extensor Carpi Radialis Brevis) ## Footnote This muscle originates from the lateral epicondyle.
76
True or False: Pain with passive wrist extension is associated with Medial Epicondylagia.
True ## Footnote Pain occurs while the elbow is extended.
77
Fill in the blank: The treatment for De Quervain's Tenosynovitis includes _______.
[activity modification, splinting] ## Footnote Change lifting mechanics and keep the wrist in neutral.
78
What is the primary cause of plantar fasciitis?
Overuse injury caused by pulling on the medial calcaneal tuberosity by the plantar fascia.
79
List three risk factors for plantar fasciitis.
* Excessive or repetitive weight bearing work * Obesity * Flat feet or high arches
80
What are common signs and symptoms of plantar fasciitis?
* Pain over plantar fascia and calcaneal tuberosity * Pain first thing in the morning * Antalgic gait
81
What is the Windlass Mechanism?
The winding of the plantar fascia shortens the distance between the calcaneus and metatarsals to elevate the medial longitudinal arch.
82
What are the Ottawa ankle rules? (5)
1. TOP lateral malleolus + 6cm 2. TOP medial malleolus + 6cm 3. TOP navicular 4. TOP base of 5th metatarsal 5. inability to walk 4 steps, both immediately and at Ax.
83
List two risk factors for IT Band Syndrome.
* Weak hip abductors * Rapid training increases
84
What is the common pain pattern for mechanical low back pain?
Unilateral pain with no referral below the knee.
85
Name one easing factor for mechanical low back pain.
Changing position or laying down.
86
What characterizes degenerative disc disease?
Narrowing of the spinal canal due to degeneration of the vertebral disc and/or lumbar facet joints.
87
What is a common direction for lumbar disc herniation?
Posterior-lateral
88
What is radiculopathy?
A neurological symptom that can cause pain, tingling, numbness, and weakness.
89
What is a common treatment approach for lumbar spine disc herniation?
* movements that promote lumbar flexin ie. cycling * Lumbar stabilization exercises * Core activation * Traction
90
What are the symptoms of greater trochanteric hip bursitis?
* Lateral hip pain * Pain with palpation of GT bursa * Unable to lay on affected side
91
What is piriformis syndrome?
Peripheral neuritis of the branches of the sciatic nerve caused by an abnormal piriformis muscle.
92
What is the recommended elbow angle for proper workplace ergonomics?
90° or slightly greater.
93
What does the Bicycle Test assess?
Neurogenic Intermittent Claudication indicative of Spinal Stenosis.
94
What is spondylosis?
Arthritis of the spine.
95
What is the most common site for spondylolysis?
Lower lumbar (L5-S1).
96
Fill in the blank: The _______ is the primary structure affected in lumbar disc herniation.
nucleus pulposus
97
True or False: Traction and TENS have been shown to help with mechanical low back pain.
False
98
What is a common easing position for patients with spinal stenosis?
Sitting or fetal position.
99
What is a common treatment for greater trochanteric hip bursitis?
Avoid activites that cause pain Myofascial release of IT Band/TFL.
100
What is the primary goal of postural control in managing mechanical low back pain?
To stabilize the spine during movement.
101
What is a defining characteristic of degenerative disc disease?
Age-related loss of intervertebral disc height and hydration.
102
What are common mechanisms of injury for meniscal tears?
Repetitive or forceful rotation at the knee combined with flexion and varus/valgus stress ## Footnote Traumatic injuries are common mechanisms.
103
What are some signs and symptoms of a meniscal tear?
* Joint line pain * Loss of flexion more than 10 degrees * Loss of extension more than 5 degrees * Swelling (synovial) * Crepitus * Positive special test * Patient reports "locking" in knee
104
What is the goal of treatment for a meniscal tear within 4 weeks?
* Restore normal knee extension * Decrease swelling (effusion) * Safe use of protection equipment (brace, crutches)
105
What is medial tibial stress syndrome commonly known as?
Shin splints ## Footnote This condition is often associated with running or vigorous sports activities.
106
What are the common signs of medial tibial stress syndrome?
* Pain on medial aspect of tibia * Tenderness on palpation * Pain with resisted movement
107
What are some risk factors for medial tibial stress syndrome?
* Increase in unaccustomed activity or training load * Flat feet or high arches * Wearing improper footwear
108
What are the '5 P’s' associated with compartment syndrome?
* Pain * Pallor * Pulselessness * Paresthesia * Paralysis
109
What is the conservative treatment for chronic compartment syndrome?
Biomechanical correction and soft tissue therapy (stretching, massage) ## Footnote Surgical treatment may involve fasciectomy.
110
What is patella femoral pain syndrome also known as?
Runners' knee ## Footnote This syndrome implies pathology affecting the patellofemoral joint.
111
List two external risk factors for patella femoral pain syndrome.
* Vigorous physical activities that stress the knee * A sudden change in physical activity
112
What internal risk factors can contribute to patella femoral pain syndrome?
* Poor patellar tracking * Patella alta or baja * Weak or imbalanced quadriceps
113
What is Osgood Schlatter's disease?
Traction apophysitis stress on the developing tibial tuberosity at the patellar tendon insertion ## Footnote Often occurs bilaterally in active children.
114
What are common symptoms of Osgood Schlatter's disease?
* Warmth * Tenderness on palpation * Swelling * Pain with squatting, stairs, and jumping
115
What should be avoided in the treatment of Osgood Schlatter's disease?
High intensity exercises to strengthen the quadriceps ## Footnote These can increase stress on the tibial tuberosity.
116
What are the menisci made of and what is their role?
Fibrocartilaginous structure ## Footnote They act as shock absorbers and increase congruency of the joint.
117
What is a common differential diagnosis for meniscal tears?
Plica syndrome ## Footnote This is an embryological extension of the synovial capsule of the knee.
118
What is a common sign of patella femoral pain syndrome during activities?
Pain with climbing or descending stairs ## Footnote Pain can also occur during prolonged sitting.
119
What is compartment syndrome?
A condition that occurs when there's increased pressure within a compartment of muscles, nerves, and blood vessels, leading to potential damage. ## Footnote It often affects the arms and legs.
120
Where does compartment syndrome most often occur?
In the anterior compartment of the lower leg (calf). ## Footnote It can also occur in other compartments of the leg, arms, hands, feet, and buttocks.
121
What are the common causes of compartment syndrome?
Fracture, badly bruised muscle, crush injuries, constricting bandages. ## Footnote These factors lead to increased pressure in the compartment.
122
What are the '5 P's' of compartment syndrome?
* Pain: disproportionate to activity * Pallor: pale skin color * Pulselessness: tight or full muscle feel * Paresthesia: tingling or burning sensations * Paralysis: loss of use ## Footnote These symptoms help in diagnosing compartment syndrome.
123
What characterizes acute compartment syndrome?
Pain that is disproportionate to activity, with passive stretching causing pain. ## Footnote It may also involve other symptoms like pallor and pulselessness.
124
What characterizes chronic compartment syndrome?
Pain comes on acutely with activity and ceases with rest. ## Footnote It typically affects individuals during specific activities.
125
What are the conservative treatments for chronic compartment syndrome?
* Biomechanical correction * Soft tissue therapy (stretching, massage) ## Footnote These treatments aim to alleviate symptoms without surgery.
126
What is a surgical treatment for chronic compartment syndrome?
Fasciectomy. ## Footnote This procedure involves removing part of the fascia to relieve pressure.
127
What are the characteristics of the menisci?
Fibrocartilaginous structures that are avascular and lack nerve supply on their inner two thirds. ## Footnote They act as shock absorbers and increase joint congruency.
128
How does the medial meniscus differ from the lateral meniscus?
* Medial meniscus: larger, shaped like 'C', more stationary, attaches to MCL * Lateral meniscus: smaller, shaped like 'O', more mobile, not attached to lateral ligament ## Footnote This difference affects their susceptibility to injury.
129
What role does the popliteus muscle play in relation to the lateral meniscus?
It pulls the lateral meniscus posteriorly during knee flexion to prevent entrapment between femur and tibia. ## Footnote This action helps maintain proper joint function.
130
Fill in the blank: The menisci act as _______ and increase the congruency of the joint.
shock absorbers.
131
True or False: The lateral meniscus has a higher risk of injury than the medial meniscus.
False. ## Footnote The lateral meniscus is less at risk of injury due to its mobility.
132
What is the tibial plateau?
The proximal end of the tibia terminates in a broad, flat region called the tibial plateau.
133
What separates the medial and lateral condyles of the tibia?
The intercondylar eminence runs down the midline of the plateau.
134
What causes a tibial plateau fracture?
A strong force on the lower leg while in a valgus or varus position OR simultaneous vertical stress and flexion of the knee.
135
What are the signs and symptoms of a tibial plateau fracture?
Swelling, unable to weight bear, stiffness, and history of trauma.
136
What is a patellar fracture?
A fracture of the patella, which can be classified into three types.
137
What is a sesamoid bone?
A bone embedded within a tendon, such as the patella.
138
What is the blood supply to the patella?
Geniculate Arteries.
139
What is a direct comminuted fracture?
A fracture with 2 or more separate bone fragments, caused by a blow or fall on a flexed knee.
140
What is a minor marginal fracture?
A fracture caused by a fall on the knee.
141
What are the symptoms of a patellar fracture?
Sharp, intense pain in anterior knee, limping to avoid pressure, and difficulty with functional activities.
142
What function does the patella serve?
Acts as a lever, improving efficiency of extension during the last 30 degrees of extension.
143
What is chondromalacia patella?
A degenerative process beginning with irritation and fragmentation of the hyaline cartilage of the patella.
144
What treatment is suggested for chondromalacia patella?
Performing quadriceps exercises in extension to prevent further degeneration.
145
What is the difference between PFPS and chondromalacia?
PFPS is typically an alignment issue, while chondromalacia involves degeneration of cartilage.
146
What tarsal bone does the tibialis posterior not attach to?
the talus.
147
What are the tendons palpated on the anterior ankle from medial to lateral?
Tibialis anterior, Ext Hallucis longus, EDL, peroneus tertius.
148
What structures are found in the tarsal tunnel?
TDANH: Tib post, flexor digitorum longus, posterior tibial artery, tibial nerve, FHL.
149
What is the axis of ab/adduction of the toes?
2nd toe.
150
What are the functions of the foot?
Support base, adaptable to uneven terrain, absorption of shock, lever during push off, aids in stance phase of gait.
151
How many arches are in the foot?
Three arches: two longitudinal (medial and lateral) and one anterior.
152
What forms the medial longitudinal arch?
Calcaneus, talus, navicular, three cuneiforms, and first three metatarsals.
153
What provides muscular support for the medial longitudinal arch?
Tibialis anterior, Tibialis posterior, Fibularis longus, Flexor digitorum longus, Flexor halluces, Intrinsic foot muscles.
154
What provides ligamentous support for the medial longitudinal arch?
Plantar ligaments, Calcaneonavicular (spring) ligament.
155
What forms the lateral longitudinal arch?
Calcaneus, cuboid, and 4th and 5th metatarsal bones.
156
What provides muscular support for the lateral longitudinal arch?
Fibularis longus, Flexor digitorum longus, Flexor halluces, Intrinsic foot muscles.
157
What forms the transverse arch?
Metatarsal bases, cuboid, and three cuneiform bones.
158
What provides muscular support for the transverse arch?
Fibularis longus, Tibialis Posterior.
159
What is pes cavus?
High medial longitudinal arch leading to decreased shock absorption.
160
What is pes planus?
Flat-footed condition where longitudinal arches have been lost.
161
At what age do arches typically develop?
Arches develop by 2-3 years of age.