Chapter 10: Foot and Ankle

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The most common type of ankle sprain involves the _____.

Anterior talofibular ligament

Which of the following muscles does not perform plantar flexion?

Extensor digitorum longus

Which of the following muscles extends the lesser toes?

Extensor digitorum longus

Which of the following muscles is located in the anterior compartment?

Extensor hallucis longus

Each toe has three interphalangeal joints.

False

Heel-strike normally occurs by landing on the heel with the foot in pronation.

False

Inversion is turning the ankle and foot outward away from the midline of the body, such that the body weight is on the medial edge of foot.

False

The cuboid bone is medial to the navicular bone.

False

The gastrocnemius is more effective as a plantar flexor, with the knee in flexion.

False

The main difference in the gait cycle between walking and running is that the flight phase during running is shorter in duration than that in the walking.

False

The medial malleolus is an anatomical landmark located on the fibula.

False

The soleus performs muscular actions in the frontal plane.

False

Which of the following muscles can perform flexion of the four lesser toes?

Flexor digitorum longus

Which of the following muscles has its insertion on the base of the distal phalanx of each of the four lesser toes?

Flexor digitorum longus

Proximal interphalangeal joint motion occurs about the _____ axis.

Frontal

During walking, the time interval from when one foot contacts the ground to the time when the same foot again contacts the ground again is a _____.

Gait Cycle

Which of the following muscles can perform knee flexion?

Gastrocnemius

Which of the following muscles may be palpated on the upper half of the posterior aspect of the lower leg?

Gastrocnemius

The injury referred to as a high ankle sprain involves the _____.

Interosseous membrane

Which of the following statements is not true regarding the distal tibiofibular joint?

It is a diarthrodial joint

Which of the following is not a muscular compartment of the lower leg?

Medial Compartment

Which of the following muscles has its origin on the distal third of the anterior fibula?

Peroneus tertius

Which of the following has only plantar flexion as its concentric muscle action?

Soleus

Which of the following muscles has its insertion on the posterior surface of the calcaneus?

Soleus

Which of the following muscles can invert the foot?

Tibialas anterior

The most prominent tendon crossing the ankle anteromedially and the easiest to palpate is the _____.

Tibialis anterior

Dorsiflexion involves moving the dorsal aspect of the foot toward the anterior tibia.

True

Each toe has three phalanges, except for the great toe, which has only two.

True

Motions of the metatarsophalangeal joints of toes include flexion, extension, abduction, and adduction.

True

Pronation is a combination of ankle dorsiflexion, subtalar eversion, and forefoot abduction.

True

The ankle and foot of each limb are composed of 26 bones.

True

The extensor hallucis longus muscle can perform weak inversion of the foot.

True

The only muscle involved in extending all of the metatarsophalangeal and interphalangeal joints of the four lesser toes is the extensor digitorum longus.

True

Toe flexion is movement of toes toward the plantar surface of the foot.

True

Triceps surae refers to the _____.

gastrocnemius and soleus

Which of the following statements is not a potential cause of "shin splints"?

Bursitis

The "Tom, Dick, and Harry" phrase refers to the _____, respectively.

tibialis posterior, flexor digitorum longus, flexor hallucis longus


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