Fibularis Brevis
Fibularis Brevis - Related Videos
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Intact Short, Intermediate, and Long Skeletal Muscle Fibers Obtained by Enzymatic Dissociation of Six Hindlimb Muscles of Mice: Beyond Flexor Digitorum Brevis
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We describe a protocol to obtain enzymatically dissociated fibers of different lengths and types from six muscles of adult mice: three of them already described (flexor digitorum brevis, extensor digitorum longus, soleus) and three of them successfully dissociated for the first time (extensor hallucis longus, peroneus longus, peroneus digiti quarti).
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07:40
Foot Exam
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2023
Source: Robert E. Sallis, MD. Kaiser Permanente, Fontana, California, USA The foot is a complex structure composed of numerous bones and articulations. It provides flexibility, is the essential contact point needed for ambulation, and is uniquely suited to absorb shock. Because the foot must support the weight of the entire body, it is prone to injury and pain. When examining the foot, it is important to remove shoes and socks on both sides, so that the entire foot can be inspected and compared.
07:42
Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity
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This abstract describes a novel method to assess the development of neurotoxicity in patients receiving chemotherapy treatment. While conventional assessment methods are limited in their ability to detect early changes in nerve function, nerve excitability techniques provide early identification of patients at risk of severe neurotoxicity and insight into pathophysiology.
04:03
Harvesting of Peroneus Longus Tendon Autograft
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This article provides a method for safely harvesting the full-thickness peroneus longus tendon autograft. It outlines critical steps, modifications, and troubleshooting for the procedure.
FAQs
Stimulation of the superficial fibular nerve activates fibularis brevis contraction. This neural input enables the muscle to generate eversion and assist plantarflexion, linking peripheral nerve activity with foot positioning. Clinically, that relationship helps connect neurological function to observed movement during lower-limb examination and supports evaluation of impaired ankle or foot control.
The tendon passes behind the lateral malleolus and reaches the tuberosity of the fifth metatarsal. This route connects contraction in the lower leg to movement at the lateral side of the foot, allowing force to contribute to eversion and assisted plantarflexion. Its course also makes the tendon relevant when evaluating lateral ankle structures.
Fibularis brevis contributes to positioning and stabilizing the foot while the lower limb moves. Its action is therefore relevant beyond producing a single movement, because controlled foot placement supports gait and ankle function. Studying this muscle helps relate lateral-compartment anatomy to coordinated movement and the mechanical demands placed on the ankle.
Examination can consider the muscle’s contribution to eversion, assisted plantarflexion, and foot stabilization, while relating findings to the lateral ankle region through which its tendon passes. This information may help clinicians recognize functional consequences of tendon strain or lateral ankle sprain and guide decisions about further evaluation or rehabilitation.
Its anatomy and actions provide a basis for relating rehabilitation goals to foot positioning, gait, and ankle stability. Because the muscle contributes to eversion and assists plantarflexion, clinicians can use that functional context when considering recovery after tendon strain or lateral ankle sprain, particularly when movement control and stabilization are affected.
Surgical planning benefits from understanding the muscle’s distal fibular origin, the tendon’s passage behind the lateral malleolus, and its insertion on the fifth metatarsal. These anatomical relationships identify the structures involved in the lateral lower leg and foot, helping place injury assessment, tendon problems, and operative considerations within their correct regional context.