Chrome Extension

Home › Body Atlas › Muscles

Body Atlas, Muscle Reference

Muscles

Complete muscle reference, origins, insertions, nerve supply, actions, clinical notes, and common injuries.

64 muscles

64 muscles in Pelvis & Hip Clear ×

Muscle Obturator Internus Detail musculus obturator internus detail Pelvis & Hip The obturator internus makes a 90-degree turn around the lesser sciatic notch (ischium), using it as… Muscle Piriformis musculus piriformis Pelvis & Hip The piriformis is a flat, pear-shaped muscle occupying the greater sciatic foramen and running from the… Muscle Piriformis (Full) musculus piriformis Pelvis & Hip The piriformis is the key external hip rotator and the primary landmark of the greater sciatic… Muscle Piriformis Detail musculus piriformis detail Pelvis & Hip The piriformis is the key muscle of the greater sciatic notch — it divides the notch… Muscle Pubococcygeus musculus pubococcygeus Pelvis & Hip The pubococcygeus is the central and most important component of the levator ani, running from the… Muscle Puborectalis musculus puborectalis Pelvis & Hip The puborectalis is the deepest component of the levator ani and the most important muscle for… Muscle Quadratus Femoris musculus quadratus femoris Pelvis & Hip The quadratus femoris is a flat, square muscle running horizontally from the ischial tuberosity to the… Muscle Quadratus Femoris (Full) musculus quadratus femoris Pelvis & Hip The quadratus femoris is the most inferior of the six deep external hip rotators, running horizontally… Muscle Quadratus Femoris Detail musculus quadratus femoris detail Pelvis & Hip The quadratus femoris is the most inferior of the short external rotators (the "POGO" muscles —… Muscle Rectococcygeus Muscle musculus rectococcygeus Pelvis & Hip The rectococcygeus muscle is a paired smooth muscle band connecting the posterior rectal wall to the… Muscle Sphincter Urethrovaginalis musculus sphincter urethrovaginalis Pelvis & Hip The sphincter urethrovaginalis is a female-specific striated muscle forming the most distal component of the external… Muscle Superficial Transverse Perineal Detail musculus transversus perinei superficialis detail Pelvis & Hip The superficial transverse perineal muscle forms the posterior boundary of the urogenital triangle, stabilising the perineal… Muscle Superficial Transverse Perineal Muscle musculus transversus perinei superficialis Pelvis & Hip The superficial transverse perineal muscle is a thin, paired striated muscle running transversely across the anterior… Muscle Tensor Fasciae Latae musculus tensor fasciae latae Pelvis & Hip The tensor fasciae latae is a small but clinically significant muscle at the anterior hip that… Muscle Tensor Fasciae Latae Detail musculus tensor fasciae latae detail Pelvis & Hip TFL acts primarily through the ITB, allowing it to act simultaneously at the hip and knee.… Muscle Transverse Perinei musculus transversus perinei superficialis et profundus Pelvis & Hip The transverse perinei are paired muscles running from the ischial tuberosities to the central perineal body…