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Body Atlas, Muscle Reference

Muscles

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

676 muscles

676 muscles

Muscle Sternocleidomastoid musculus sternocleidomastoideus Neck The sternocleidomastoid (SCM) is the large, oblique strap muscle that forms the prominent cord visible on… Muscle Sternocleidomastoid Detail musculus sternocleidomastoideus detail Neck The SCM is the dominant lateral neck muscle visible as a cord from mastoid to sternal… Muscle Sternohyoid musculus sternohyoideus Neck The sternohyoid is the most superficial of the infrahyoid strap muscles, running from the sternum and… Muscle Sternohyoid Detail musculus sternohyoideus detail Neck The sternohyoid is the most superficial infrahyoid (strap) muscle, overlying the thyroid gland and larynx. It… Muscle Sternothyroid musculus sternothyroideus Neck The sternothyroid is a strap muscle connecting the sternum directly to the thyroid cartilage, depressing the… Muscle Sternothyroid Detail musculus sternothyroideus detail Neck The sternothyroid is the deeper strap muscle, attaching directly to the thyroid cartilage. It is the… Muscle Styloglossal Complex musculus styloglossus Neck The styloglossus runs from the styloid process to the lateral tongue, forming the lateral boundary of… Muscle Styloglossus musculus styloglossus Head & Skull The styloglossus arises from the elongated styloid process of the temporal bone and retracts the tongue… Muscle Stylohyoid musculus stylohyoideus Neck The stylohyoid connects the styloid process to the hyoid bone, elevating and retracting the hyoid during… Muscle Stylohyoid Detail musculus stylohyoideus detail Neck The stylohyoid splits at its insertion to surround the intermediate digastric tendon before attaching to the… Muscle Stylopharyngeus musculus stylopharyngeus Neck The stylopharyngeus is the only muscle in the head supplied exclusively by the glossopharyngeal nerve, making… Muscle Stylopharyngeus Detail musculus stylopharyngeus detail Neck Stylopharyngeus is the only muscle in the body innervated exclusively by the glossopharyngeal nerve. It passes… Muscle Subclavius musculus subclavius Chest The subclavius is a small muscle running parallel to the clavicle from the first costochondral junction… Muscle Subclavius (Full) musculus subclavius Chest The subclavius is a small muscle tucked between the first rib and the clavicle, depressing the… Muscle Subclavius Detail musculus subclavius detail Chest The subclavius is a small muscle sandwiched between the clavicle and first rib. Its primary function… Muscle Subcostales musculi subcostales Chest The subcostales are thin, flat muscles on the inner surface of the lower thoracic cage, running… Muscle Subcostales Detail musculi subcostales detail Chest The subcostales are thin muscles on the inner thoracic wall, most prominent in the lower thorax.… Muscle Suboccipital Muscles musculi suboccipitales Head & Skull The four suboccipital muscles form the floor of the suboccipital triangle, a small but neurologically significant… Muscle Subscapularis musculus subscapularis Shoulder The subscapularis is the largest and strongest of the four rotator cuff muscles, located on the… Muscle Subscapularis Lower Portion musculus subscapularis (pars inferior) Shoulder The subscapularis is divided functionally into upper (tendinous) and lower (musculotendinous) portions, with the lower fibres… Muscle Subscapularis Lower Portion Detail musculus subscapularis pars inferior Shoulder The lower subscapularis constitutes the bulk of the muscle. Its more horizontal fibres insert on the… 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 Superficial Transverse Perineal Muscle (Perineal Body) musculus transversus perinei superficialis Abdomen The superficial transverse perineal muscle is a thin, variable muscle in the superficial perineal pouch, running…

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