KIN 3304- Chapter 10 Questions

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Inversion occurs at the talocrural joint by turning the ankle and foot inward toward the midline of the body where the weight is on lateral edge of foot.

false

The medial malleolus is an enlarged protrusion located on the distal fibula.

false

Which of the following is the correct order starting from the most posterior aspect of the distal lower leg/ankle and moving medially?

Flexor hallucis longus, flexor digitorum longus, tibialis posterior

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

May be partially prevented by stretching plantar extensors

Which of the following muscles has their insertion on the medial cuneiform and first metatarsal?

Tibialis anterior, peroneus longus

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

Extensor digitorum longus

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

Fibularis tertius

Which of the following insert on the base of the 5th metatarsal?

Peroneus brevis, peroneus tertius

Which of the following muscles are agonist to each other when performing eccentric actions in the frontal plane?

Peroneus longus, peroneus tertius

When the flexor hallucis longus concentrically contracts which of the following actions result?

all of the above -great toe MTP and IP flexion -transverse tarsal and subtalar inversion -ankle plantar flexion

The gastrocnemius is more effective as a plantar flexor when the knee is:

extension

Both the tibialis anterior muscle and the extensor digitorum longus muscle are innervated by the tibial nerve (L5, S1).

false

Which of the following muscles has its insertion on the base of the distal phalanx of each of the four lesser toes and causes movement posteriorly about the frontal plane when contracting concentrically?

flexor digitorum longus

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

plantaris muscle

Proximal interphalangeal joint motion occurs in the ___ plane about the _____ axis.

sagittal; frontal

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

tibialis posterior, flexor digitorum longus, flexor hallucis longus

Both the tibialis posterior muscle and the flexor digitorum longus muscle are innervated by the tibial nerve (L5, S1)

true

Both the tibialis posterior muscle and the flexor digitorum longus muscle are innervated by the tibial nerve (L5, S1).

true

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

true

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

true

Which of the following has the most potential for requiring emergency care?

Achilles tendon rupture

Which of the following muscles are not antagonist of each other in all of their concentric actions?

Peroneus tertius, flexor digitorum longus

Which of the following muscles are antagonist of each other in all of their concentric actions?

Peroneus tertius, posterior tibialis

Which of the following muscles are agonist in all of their concentric actions at the talocrural joint?

Posterior tibialis, flexor hallucis longus, peroneus longus

Which of the following muscles only performs plantar flexion when contracting concentically?

Soleus

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

The interosseous membrane is surround the tibia and fibula shafts to provide support

An ankle sprain caused by inversion is a common injury that involves the stretching or tearing of one or more of the lateral tendons.

false

During both walking and running there is a point where neither foot is touching the ground.

false

Each toe has three interphalangeal joints except for the great toe which has only two.

false

Immediately prior to and during normal toe-off the foot should be in pronation and the leg should be in external rotation.

false

The cuboid bone is located medially and distally to the navicular bone.

false

Triceps surae refers to the _____.

gastrocnemius and soleus

Which of the following muscles does not perform plantar flexion when contracting concentrically?

peroneus tertius

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

true

Pronation is a combination of ankle dorsiflexion, subtalar eversion, and forefoot abduction, whether actively or passively.

true

Severe injuries at the distal tibiofibular joint can involve the anterior inferior tibiofibular ligament, interosseous ligament, and interosseous membrane.

true

The ankle and foot joints are composed of 26 bones in each foot if not considering the sesamoid and accessory bones.

true

The anterior tibialis and peroneus longus muscles are antagonist to each other in all of their respective actions.

true

The distal malleoli of the tibia and fibula serve as pulleys for the posterior tendons of the posterior tibialis and peroneus brevis to increase the mechanical advantage of these muscles in performing inversion and eversion actions, respectively.

true

The extensor hallucis longus muscle is a weak agonist to the flexor hallucis longus muscle for concentric actions about the sagittal axis.

true

The gastrocnemius, soleus and plantaris muscles are innervated by the tibial nerve (S1, S2).

true

The medial longitudinal arch is primarily supported dynamically by the tibialis posterior and tibialis anterior muscles.

true

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

true

The soleus muscle can perform muscular actions only in the sagittal plane about a frontal axis.

true

The tibialis anterior and tibialis posterior muscles are agonistic to each other in their frontal plane movements but are antagonistic to each other in their sagittal plane movements.

true

Toe flexion is movement of toes at the metatarsophalangeal and interphalangeal joints toward plantar surface of the foot through concentric contractions of the flexor digitorum longus and flexor hallucis longus muscles.

true


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