CHAPTER 10 - ANKLE AND FOOT JOINTS

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The most common type of ankle sprain results from excessive inversion that causes damage to lateral structures. T F

T

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

T

Metatarsophalangeal joints are classified as ________________ joints.

condyloid

The main actions of the extensor digitorum longus at the ankle joint are extension of the four lesser toes,_______________________ , and eversion.

dorsiflexion

The primary actions of the peroneus tertius at the ankle joint include ______________ and eversion.

dorsiflexion

The primary actions of the peroneus tertius at the ankle joint include _________________ and eversion.

dorsiflexion

The actions of the peroneus longus on the ankle joint are subtalar _____________ and plantar flexion.

eversion

Turning the ankle and foot outward in abduction away from the midline is termed subtalar ___________

eversion

Movement of the ankle and foot away from the tibia is termed ____________________

extension

Movement of the toes away from the plantar surface of the foot is termed toe ____________

extension

Which of the following muscles can perform extension of the lesser toes when concentrically contracting? extensor digitorum longus extensor hallucis longus tibialis anterior peroneus tertius

extensor digitorum longus

Movement of the toes toward the plantar surface of the foot is termed toe __________

flexion

Movement of the toes toward the plantar surface of the foot is termed toe __________________

flexion

The ___________________ has the following attachments- origin: middle one-third of the posterior surface of the tibia; insertion: base of the distal phalanx of each of the four lesser toes.

flexor digitorum longus

The __________________________ has the following attachments- origin: middle one-third of the posterior surface of the tibia; insertion: base of the distal phalanx of each of the four lesser toes.

flexor digitorum longus

The ________________________ has the following attachments- origin: middle two-thirds of the posterior surface of the fibula; insertion: base of the distal phalanx of the great toe on the plantar surface.

flexor hallucis longus

The __________________ has the following attachments- origin: posterior surface of the medial femoral condyle (medial head), posterior surface of the lateral femoral condyle (lateral head); insertion: posterior surface of the calcaneus through the Achilles tendon.

gastrocnemius

The ankle joint, technically known as the talocrural joint, is a _________________ joint.

ginglymus

Which of the following muscles has its insertion on the base of the 5th metatarsal? extensor digitorum longus extensor hallucis longus tibialis anterior peroneus tertius

peroneus tertius

Which of the following muscles is included in the anterior compartment? popliteus peroneus tertius flexor hallucis longus plantaris

peroneus tertius

The action of the tibialis posterior on the ankle joint is ___________

plantar flexion

When contracted, the actions of the peroneus brevis include eversion and ___________________

plantar flexion

When contracted, the gastrocnemius carries out __________________ at the ankle joint.

plantar flexion

Which of the following muscles has its insertion on the posterior surface of the calcaneus? tibialis posterior soleus tibialis anterior flexor digitorum longus

soleus

Which of the following muscles only performs plantar flexion? gastrocnemius soleus tibialis anterior flexor digitorum longus

soleus

Dorsiflexion is the dorsal aspect of the foot moving toward the anterior tibia. T F

T

Heel-strike is normally occurs by landing on the heel with the foot in supination and the leg in external rotation, T F

T

Motions of the toe metacarpophalangeal joints include flexion, extension, abduction, and adduction. T F

T

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

T

The primary actions of the flexor digitorum longus at the ankle joint are toe flexion, plantar flexion, and _____________

inversion

Turning the ankle and foot inward in adduction toward the midline is termed subtalar ____________

inversion

When contracted, the extensor hallucis longus carries out the following actions at the ankle joint: extension of the great toe, dorsiflexion, and subtalar

inversion

When contracted, the extensor hallucis longus carries out the following actions at the ankle joint: extension of the great toe, dorsiflexion, and subtalar _____________

inversion

When contracted, the extensor hallucis longus carries out the following actions at the ankle joint: extension of the great toe, dorsiflexion, and subtalar ________________

inversion

The _________________has the following attachments- origin: distal one-third of the anterior fibula; insertion: superior aspect of the base of the fifth metatarsal.

peroneus tertius

A combination of ankle plantar flexion, subtalar inversion, and forefoot adduction is termed ____________

supination

The most prominent tendon crossing the ankle anteromedially and the easiest to palpate is the _____. extensor digitorum longus extensor hallucis longus peroneus tertius tibialis anterior

tibialis anterior

The _________________ has the following attachments- origin: upper two-thirds of the lateral surface of the tibia; insertion: inner surface of the medial cuneiform and the base of the first metatarsal.

tibialis posterior

The ______________________ has the following attachments- origin: posterior surface of the upper half of the interosseus membrane and the adjacent surfaces of the tibia and fibula; insertion: inferior surfaces of the navicular, cuneiform, and cuboid bones and bases of the second, third, and fourth metatarsal bones.

tibialis posterior


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