Kines. Chapter 10

The flexor hallucis longus performs which of the following actions?

- great toe flexion - transverse tarsal and subtalar inversion - ankle plantar flexion

Which of the following statements is not true regarding "shin splints"?

May be partially prevented by stretching the plantar extensors

Which of the following muscles has its insertion on the base of the 5th metatarsal?

peroneus tertius

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

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

Which of the following muscles can perform knee flexion when concentrically contracting?

gastrocnemius

Which of the following muscles does not perform plantar flexion?

peroneus tertius

T/F: An ankle sprain is a common injury that involves the stretching or tearing of one or more tendons.

False

T/F: Both the tibialis posterior muscle and the flexor digitorum longus muscle are innervated by the tibial nerve (S1, S2).

False

T/F: During both walking and running, there is a point where neither foot is touching the ground.

False

T/F: Each toe has three interphalangeal joints, except for the great toe, which has only two.

False

T/F: Immediately prior to and during normal toe-off, the foot should be in pronation and the leg should be in external rotation.

False

T/F: The cuboid bone is located medially with respect to the navicular bone.

False

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

The interosseus membrane is located around the tibial and fibular shafts to provide support.

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

True

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

True

T/F: The gastrocnemius muscle is innervated by the tibial nerve (S1, S2).

True

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

True

T/F: The soleus muscle can perform muscular actions only in the sagittal plane.

True

T/F: The ankle and foot joints are composed of 26 bones in each foot.

True, 33 joints, & many muscles, ligaments, tendons

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

a medial compartment

Which of the following is the correct order starting from the most posterior aspect of the distal lower leg/ankle and moving medially? - tibialis posterior - floxor digitorum longus - flexor hallucis longus

- flexor hallucis longus - flexor digitorum longus - tibialis posterior

T/F: The extensor digitorum longus muscle in innervated by the tibial nerve (L5, S1, S2).

False

T/F: The medial malleolus is an anatomical landmark located on the fibula.

False, located on the lower end of the tibia

T/F: Inversion is turning the ankle and foot outward away from the midline of the body where the weight is on the medial edge of foot.

False, weight is on the lateral side

T/F: Each toe has three phalanxes, except for the great toe, which has only two.

True

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

True

T/F: Severe injuries at the tibiofibular joint can involve the posterior tibiofibular ligament, interosseus ligament, and interosseus membrane.

True

T/F: The distal malleoli of the tibia and fibula serve as pulleys for the posterior tendons to increase the mechanical advantage of the respective muscles in performing inversion and eversion actions.

True

T/F: The extensor hallucis longus muscle can perform weak inversion of the foot.

True

T/F: The flexor hallucis longus muscle is innervated by the tibial nerve (L5, S1, S2).

True

T/F: The tibialis anterior muscle performs dorsiflexion of the ankle in the sagittal plane.

True

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

True

T/F: The most common type of ankle sprain results from excessive inversion that causes damage to the anterior talofibular ligament.

True, there is excessive plantarflexion and supination

T/F: Motions of the metatarsophalangeal joints of toes include flexion, extension, abduction, and adduction.

True, they are biaxial condyloid joints

Which of the following muscles can perform extension of the lesser toes when concentrically contracting?

extensor digitorum longus

Which of the following muscles can perform extension of the great toe when concentrically contracting?

extensor hallucis longus

Which of the following muscles can perform flexion of the great toe when concentrically contracting?

flexor hallucis longus

Which of the following muscles does not perform eversion of the foot?

flexor hallucis longus

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

gastrocnemius

Triceps surae refers to the _____.

gastrocnemius and soleus

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

peroneus tertius

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

peroneus tertius

Which of the following muscles is innervated by the deep peroneal nerve (L4, L5, S1)?

peroneus tertius

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

soleus

Which of the following muscles only performs plantar flexion?

soleus

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

tibialis anterior

Which of the following muscles can perform inversion of the foot when concentrically contracting?

tibialis anterior

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

tibialis posterior, flexor digitorum longus, flexor hallucis longus