chapter 10 quiz foot and ankle
Which of the following is true?
Each foot has two longitudinal arches, and one transverse arch.
Which of the following statements is not true regarding the distal tibiofibular joint?
It is a diarthrodial joint.
The most common type of ankle sprain involves the _____.
anterior talofibular ligament
Which of the following statements is not a potential cause of "shin splints"?
bursitis
_____ is a condition in which there is a marked increase in pressure, within a bundle of muscles encased in fascia.
compartment syndrome
Muscles contained in the lateral compartment of the leg are responsible for _____?
eversion
Which muscle is shown in the figure?
extensor digitorum longus
Which of the following muscles does not perform plantar flexion?
extensor digitorum longus
Which of the following muscles is located in the anterior compartment?
extensor hallucis longus
Every toe has two 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 the foot.
false
The cuboid bone is medial to the navicular bone.
false
The gastrocnemius is more effective as a plantar flexor, with the knee flexed.
false
The main difference between the gait cycles of 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
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 around a _____ 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 is a _____.
gait cycle
Which of the following muscles can perform knee flexion?
gastrocnemius
Which of the following muscles has its insertion on the posterior surface of the calcaneus?
gastrocnemius
Which of the following muscles may be palpated on the upper half of the posterior lower leg?
gastrocnemius
Triceps surae refers to the _____.
gastrocnemius and soleus
The talocrural joint is a _____joint.
ginglymus
The injury referred to as a high ankle sprain involves the _____.
interosseous membrane
Which of the following is not a muscular compartment of the lower leg?
medial compartment
Which bone is indicated by the arrow?
navicular
Which of the following muscles has its origin on the distal third of the anterior fibula?
peroneus tertius
_____ is the most common cause of heel pain.
plantar fasciitis
Which of the following muscles is absent in a significant proportion of the population?
plantaris
The major movements to which the soleus can contribute occur in the _____ plane.
sagittal
Which muscle is shown in the figure?
soleus
Which of the following has only plantar flexion as its concentric action?
soleus
Gait speed is primarily a function of _____.
stride length x stride frequency
The ankle and foot of each limb are composed of 26 bones.
true
The extensor digitorum longus is the only muscle that can extend all of the metatarsophalangeal and interphalangeal joints of the four lesser toes.
true
The extensor hallucis longus muscle can perform weak inversion of the foot.
true
There are 14 phalanges in each foot.
true
Toe flexion refers to movement of the toes toward the plantar surface of the foot.
true
The most prominent tendon crossing the ankle anteromedially and the easiest to palpate is the _____.
tibialis anterior
Which muscle is shown in the figure?
tibialis anterior
Which of the following muscles can invert the foot?
tibialis anterior
The "Tom, Dick, and Harry" phrase refers to the _____, respectively.
tibialis posterior, flexor digitorum longus, flexor hallucis longus
Dorsiflexion involves moving the dorsal aspect of the foot toward the anterior tibia.
true
Movements possible at the metatarsophalangeal joints include flexion, extension, abduction, and adduction.
true
Pronation is a combination of ankle dorsiflexion, subtalar eversion, and forefoot abduction.
true
