Chapter 10: Foot and Ankle
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
