Question

question 19
1 pt
which structure(s) is/are involved in plantar flexion of the ankle?
calcaneofibular ligament
peroneal longus and brevis tendons
achilles tendon
posterior tibial tendon
anterior talofibular ligament
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Explanation:

Plantar flexion of the ankle is the movement that points the toes downward. The Achilles tendon (also known as the calcaneal tendon) connects the calf muscles (gastrocnemius and soleus) to the heel bone (calcaneus). When these calf muscles contract, they pull on the Achilles tendon, causing plantar flexion.

The peroneal longus and brevis tendons primarily evert (turn outward) the foot and assist in plantar flexion to a lesser extent compared to the dominant role of the Achilles tendon. Ligaments like the calcaneofibular ligament and anterior talofibular ligament are primarily involved in stabilizing the ankle joint rather than actively causing movement. The posterior tibial tendon is more associated with inversion (turning inward) of the foot and supporting the arch.

Answer:

Achilles tendon