Q:

Is the peroneus brevis tendon a flexor or an extensor?

A:

Quick Answer

The peroneus brevis tendon is attached to the peroneus brevis muscle, or fibularis brevis, a flexor muscle responsible for plantar flexion of the foot. This action results in the movement of the ball of the foot outwards, in relation to the body.

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Full Answer

Plantar flexion is essential for keeping the body balanced and for walking on uneven surfaces, according to Sports Injury Clinic. In addition to flexion, the peroneus brevis tendon is also responsible for the sideways turning of the foot called eversion, which causes the sole to project in an outward direction, and foot abduction, which is the horizontal anatomical movement of the toes outwards.

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