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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 Superior Longitudinal Muscle of the Tongue musculus longitudinalis superior linguae Head & Skull The superior longitudinal muscle is one of four intrinsic tongue muscles (with the inferior longitudinal, transverse,… Muscle Superior Oblique (Eye) musculus obliquus superior oculi Head & Skull The superior oblique is the longest and thinnest extra-ocular muscle, redirected by the trochlear pulley at… Muscle Superior Pharyngeal Constrictor musculus constrictor pharyngis superior Head & Skull The superior pharyngeal constrictor forms the muscular wall of the nasopharynx and oropharynx, contracting sequentially during… Muscle Superior Rectus (Eye) musculus rectus superior oculi Head & Skull The superior rectus is the primary elevator of the abducted eye, arising from the orbital apex… Muscle Supinator musculus supinator Forearm The supinator wraps around the proximal radius and is the primary supinator of the forearm, most… Muscle Supinator Detail musculus supinator detail Forearm The supinator wraps around the proximal radius and the posterior interosseous nerve pierces through it under… Muscle Supraspinatus musculus supraspinatus Shoulder The supraspinatus is the most superior of the four rotator cuff muscles, lying in the supraspinous… Muscle Supraspinatus Detail musculus supraspinatus detail Shoulder The supraspinatus is the most commonly torn rotator cuff muscle. Its critical zone (the avascular area… Muscle Temporalis musculus temporalis Head & Skull The temporalis is a large, fan-shaped muscle filling the temporal fossa on the side of the… Muscle Temporalis (Full) musculus temporalis Head & Skull The temporalis fills the temporal fossa and inserts on the coronoid process as a broad fan-shaped… Muscle Temporoparietalis musculus temporoparietalis Head & Skull The temporoparietalis is the thin muscular layer of the temporoparietal fascia (SMAS extension) spanning from the… Muscle Temporoparietalis Detail musculus temporoparietalis detail Head & Skull The temporoparietalis is a variable thin muscle connecting the temporal fascia to the galeal aponeurosis. It… 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 Tensor Tympani musculus tensor tympani Head & Skull The tensor tympani is the larger of the two middle ear muscles, wrapping around the cochleariform… Muscle Tensor Tympani Detail musculus tensor tympani detail Head & Skull The tensor tympani tenses the eardrum by pulling the malleus medially. It forms part of the… Muscle Tensor Veli Palatini musculus tensor veli palatini Head & Skull The tensor veli palatini is the primary opener of the Eustachian tube, contracting during swallowing and… Muscle Teres Major musculus teres major Shoulder The teres major is a thick, rounded muscle arising from the inferior scapular angle and inserting… Muscle Teres Major Detail musculus teres major detail Shoulder Teres major forms the posterior axillary fold with latissimus dorsi. It is sometimes called "lat's little… Muscle Teres Minor musculus teres minor Shoulder The teres minor is a small, elongated muscle on the lateral scapular border directly inferior to… Muscle Teres Minor Detail musculus teres minor Shoulder Teres minor is the inferior component of the posterior rotator cuff, below infraspinatus, inserting on the… Muscle Thenar Eminence Group musculi eminentiae thenaris Hand & Wrist The thenar eminence is formed by four intrinsic thumb muscles whose coordinated action produces thumb opposition… Muscle Third Dorsal Interosseous Detail (Hand) musculus interosseus dorsalis tertius manus detail Hand & Wrist The third dorsal interosseous abducts the middle finger toward the ring finger. The middle finger has… Muscle Third Dorsal Interosseous of the Foot musculus interosseus dorsalis tertius pedis Foot & Ankle The third dorsal interosseous occupies the third intermetatarsal space and abducts the third toe laterally. Along…

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