Plantaris muscle

Plantaris:Origin, Insertion, Action & Nerve Supply

Plantaris: The plantaris is one of the exterior muscles of the superficial posterior compartment of the leg.It is formed of a thin muscle belly and a long thin tendon.The plantaris tendon is the longest tendon[...]

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gastrocnemius muscle

Gastrocnemius:Origin, Insertion, Action & Nerve Supply

Gastrocnemius: The gastrocnemius is a very potent superficial bipennate muscle that is in the back part of the lower leg muscles. It moves from its two heads just over the knee to the heel, a[...]

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peroneus brevis

Peroneus Brevis:Origin, Insertion, Action & Nerve Supply

Peroneus Brevis: The peroneus brevis ( fibularis brevis) lies below the peroneus longus muscle and is the smaller and smaller of the peroneus longus muscles.Origin: Lower 2/3 of the lateral surface of the fibula. Insertion:[...]

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peroneus longus

Peroneus Longus :Origin, Insertion, Action & Nerve Supply

Peroneus Longus : The peroneus longus ( fibularis longus) is a superficial muscle in the lateral compartment of the leg muscles and works to evert and plantarflex the ankle joint.Origin: The muscle is originated to[...]

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Peroneus Tertius

Peroneus Tertius:Origin, Insertion, Action & Nerve Supply

Peroneus Tertius: The peroneus tertius (also identified as fibularis tertius) muscle is found in the lower limb.Origin: The muscle originates from the lower third of the anterior surface of the fibula and the anterior intermuscular septum[...]

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Extensor Hallucis Longus

Extensor Hallucis Longus:Origin, Insertion, Action & Nerve Supply

Extensor Hallucis Longus: The Extensor hallucis longus muscle is thin, located within the Tibialis anterior and the Extensor digitorum longus muscles.Origin: Middle two-quarters of the anterior surface of fibula and the adjacent interosseous membrane. Insertion:[...]

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Extensor Digitorum Longus

Extensor Digitorum Longus:Origin, Insertion, Action & Nerve Supply

Extensor Digitorum Longus: The extensor digitorum longus muscle is located on the outline of the lower leg, merely behind the tibialis anterior muscle. It reaches from close to the midline of the tibia and the[...]

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tibialis anterior action

Tibialis Anterior:Origin, Insertion, Action & Nerve Supply

Tibialis Anterior: The tibialis anterior muscle is a long, narrow muscle in the anterior compartment of the lower leg. It is responsible for dorsiflexing and inverting the foot.Origin: Originates in the upper two-thirds of the lateral(outside)[...]

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inferior gemellus

Inferior Gemellus:Origin, Insertion, Action & Nerve Supply

Inferior Gemellus: The inferior gemellus muscle attaches the upper legs to the pelvic region. This muscle facilitates the rotation of the thigh in a lateral, or outward, motion.Origin: Posterior portions of ischial tuberosity, a bony protrusion on[...]

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Dermatomes anatomy

Dermatomes and Myotomes: Upper & Lower Limb

Dermatomes: A dermatome is an area of skin which is chiefly supplied by a single spinal nerve. There are 8 cervical nerves (C1 denoting an anomaly with no dermatome), 12 thoracic nerves(T1-T12), 5 lumbar nerves(L1-L5)[...]

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