Chrome Extension
Home › Body Atlas › Muscles
Body Atlas, Muscle Reference

Muscles

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

676 muscles
676 muscles
Muscle Obturator Externus (Full) musculus obturator externus Pelvis & Hip The obturator externus is the deepest external hip rotator, inserting in the trochanteric fossa deep to… Muscle Obturator Externus Detail musculus obturator externus Pelvis & Hip Obturator externus is the deepest of the short external hip rotators, passing posterior to the femoral… Muscle Obturator Externus Secondary Detail musculus obturator externus secundus detail Pelvis & Hip The obturator externus passes posterior to the femoral neck to reach the trochanteric fossa, making it… Muscle Obturator Internus musculus obturator internus Pelvis & Hip The obturator internus originates inside the pelvis on the inner surface of the obturator membrane, makes… Muscle Obturator Internus (Full) musculus obturator internus Pelvis & Hip The obturator internus makes a 90-degree turn around the lesser sciatic notch (using the bone as… 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 Occipitalis musculus occipitalis Head & Skull The occipitalis is the posterior belly of the occipitofrontalis muscle, pulling the scalp posteriorly. With frontalis,… Muscle Occipitofrontalis musculus occipitofrontalis Head & Skull The occipitofrontalis is the complete epicranial muscle, consisting of the frontal belly (frontalis) anteriorly and the… Muscle Omohyoid musculus omohyoideus Neck The omohyoid is a digastric muscle with two bellies and an intermediate tendon, running from the… Muscle Omohyoid Inferior Belly venter inferior m. omohyoidei Neck The inferior belly runs from the scapula to the intermediate tendon, crossing the posterior triangle. The… Muscle Omohyoid Muscle musculus omohyoideus Neck The omohyoid is a two-bellied (digastric) infrahyoid strap muscle with an inferior belly from the scapula… Muscle Omohyoid Superior Belly venter superior m. omohyoidei Neck The superior belly connects the intermediate tendon to the hyoid bone. The ansa cervicalis innervates this… Muscle Opponens Digiti Minimi musculus opponens digiti minimi Hand & Wrist The opponens digiti minimi is the deepest hypothenar muscle, inserting along the entire fifth metacarpal shaft… Muscle Opponens Digiti Minimi (Foot) musculus opponens digiti minimi pedis Foot & Ankle The opponens digiti minimi of the foot opposes the fifth metatarsal to help cup the lateral… Muscle Opponens Digiti Minimi Foot Detail musculus opponens digiti minimi pedis detail Foot & Ankle The opponens digiti minimi of the foot is the plantar counterpart to the hand muscle of… Muscle Opponens Digiti Minimi Hand Detail musculus opponens digiti minimi manus detail Hand & Wrist ODM is the deepest hypothenar muscle, wrapping the fifth metacarpal. Its loss in ulnar palsy reduces… Muscle Opponens Pollicis musculus opponens pollicis Hand & Wrist The opponens pollicis is the deepest thenar muscle and the one most responsible for the medial… Muscle Opponens Pollicis (Full) musculus opponens pollicis Hand & Wrist The opponens pollicis is the thenar muscle that produces the defining human function of precision pinch… Muscle Orbicularis Oculi musculus orbicularis oculi Head & Skull The orbicularis oculi is the sphincter muscle of the eyelid, forming an elliptical ring around the… Muscle Orbicularis Oculi Lacrimal Part pars lacrimalis m. orbicularis oculi Head & Skull The lacrimal part (Horner's muscle) wraps around the lacrimal canaliculi and sac, creating a pumping action… Muscle Orbicularis Oculi Orbital Part pars orbitalis m. orbicularis oculi Head & Skull The orbital part forms the outer elliptical band responsible for forced eye closure. Unlike the palpebral… Muscle Orbicularis Oculi Palpebral Head musculus orbicularis oculi — pars palpebralis Head & Skull The palpebral portion of the orbicularis oculi occupies the eyelids and is responsible for blinking and… Muscle Orbicularis Oculi Palpebral Part pars palpebralis m. orbicularis oculi Head & Skull The palpebral part of orbicularis oculi produces the gentle, involuntary blink. Unlike the orbital part (forceful… Muscle Orbicularis Oris musculus orbicularis oris Head & Skull The orbicularis oris is a complex elliptical muscle surrounding the mouth, built from contributions of the…
1…1516171819…29

This website uses cookies to enhance your browsing experience and ensure the site functions properly. By continuing to use this site, you acknowledge and accept our use of cookies.

Accept All Accept Required Only