In the human body, the adductor longus is a skeletal muscle located in the thigh. One of the adductor muscles of the hip, its main function is to adduct the thigh and it is innervated by the obturator nerve.
The Extensor hallucis longus is a thin muscle, situated between the Tibialis anterior and the Extensor digitorum longus that functions to extend the big toe, dorsiflex the foot, and assists with foot inversion.
The Flexor hallucis brevis arises, by a pointed tendinous process, from the medial part of the under surface of the cuboid bone, from the contiguous portion of the third cuneiform, and from the prolongation of the tendon of the Tibialis posterior which is attached to that bone.
In humans, the gastrocnemius muscle ( /ˌɡæstrɒkˈniːmiəs/ or /ˌɡæstrəˈniːmiəs/; Latin, from Greek γαστήρ “stomach” and knēmē “leg”; meaning “stomach of leg”, referring to the bulging shape of the calf) is a very powerful superficial pennate muscle that is in the back part of the lower leg.
The Psoas major originates along the lateral surfaces of the vertebral bodies of T12 and L1-L5 and their associated intervertebral discs. The Psoas minor originates at the transverse processes of L1-L5. The Iliacus originates in the Iliac fossa of the pelvis.
The piriformis (from Latin piriformis = “pear shaped”) is a muscle in the gluteal region of the lower limb. It was first named by Spigelius, a professor from the University of Padua in the 16th century.
The quadriceps femoris (Latin for “four-headed muscle of the femur”), also called simply the quadriceps, quadriceps extensor, quads, is a large muscle group that includes the four prevailing muscles on the front of the thigh.