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Body Atlas, Muscle Reference

Muscles

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

342 muscles

342 muscles

Muscle Articularis Genu musculus articularis genus Thigh The articularis genu is a small muscle arising from the deep surface of the vastus intermedius… Muscle Auricularis Anterior musculus auricularis anterior Head & Skull The auricularis anterior is one of three auricular muscles (with superior and posterior) that move the… Muscle Biceps Brachii musculus biceps brachii Upper Arm The biceps brachii is the prominent two-headed muscle of the anterior upper arm, instantly recognisable as… Muscle Biceps Brachii Short Head musculus biceps brachii caput breve Upper Arm The biceps brachii short head originates from the coracoid alongside the coracobrachialis, forming a broad conjoined… Muscle Biceps Femoris musculus biceps femoris Thigh The biceps femoris is the lateral hamstring, consisting of a long head arising from the ischial… Muscle Brachialis musculus brachialis Upper Arm The brachialis is the deepest anterior elbow flexor, lying directly over the anterior humerus under the… Muscle Brachioradialis musculus brachioradialis Forearm The brachioradialis is the most superficial forearm muscle and forms the prominent lateral border of the… Muscle Buccinator musculus buccinator Head & Skull The buccinator is the muscle of the cheek, forming the muscular wall of the buccal vestibule… Muscle Buccinator (Full) musculus buccinator Head & Skull The buccinator is the primary cheek muscle, keeping food between the teeth during chewing by compressing… Muscle Bulbospongiosus musculus bulbospongiosus Pelvis & Hip The bulbospongiosus is a perineal muscle with sex-specific anatomy and function, forming the superficial perineal pouch… Muscle Bulbospongiosus (Full) musculus bulbospongiosus Pelvis & Hip The bulbospongiosus surrounds the bulb of the penis in males or encircles the vaginal orifice as… Muscle Coccygeus musculus coccygeus Pelvis & Hip The coccygeus is the most posterior component of the pelvic diaphragm, overlying the sacrospinous ligament from… Muscle Coracobrachialis musculus coracobrachialis Upper Arm The coracobrachialis connects the coracoid process to the mid-humerus, producing shoulder flexion and adduction. The musculocutaneous… Muscle Coracobrachialis musculus coracobrachialis Upper Arm The coracobrachialis is a slender muscle running from the coracoid process to the medial humerus, sandwiched… Muscle Corrugator Supercilii musculus corrugator supercilii Head & Skull The corrugator supercilii is a small pyramidal muscle under the medial frontalis, pulling the eyebrow medially… Muscle Cremaster musculus cremaster Abdomen The cremaster is a thin layer of skeletal muscle derived from the internal oblique that forms… Muscle Cricopharyngeus musculus cricopharyngeus Neck The cricopharyngeus is the lower part of the inferior pharyngeal constrictor that forms the upper oesophageal… Muscle Cricothyroid musculus cricothyroideus Neck The cricothyroid is the only intrinsic laryngeal muscle innervated by the external branch of the superior… Muscle Dartos Muscle musculus dartos scroti Abdomen The dartos is a smooth muscle layer in the scrotal skin that contracts to rugose and… Muscle Dartos Muscle musculus dartos scroti Abdomen The dartos is a smooth muscle layer (not skeletal muscle) in the superficial scrotal fascia, innervated… Muscle Deep Transverse Perineal musculus transversus perinei profundus Pelvis & Hip The deep transverse perineal muscle forms the muscular floor of the deep perineal pouch (urogenital diaphragm).… Muscle Deltoid musculus deltoideus Shoulder The deltoid is the large, triangular muscle that gives the shoulder its rounded contour, wrapping from… Muscle Deltoid (Anterior Head) musculus deltoideus pars clavicularis Shoulder The anterior deltoid is the clavicular head of the deltoid muscle, providing the primary force for… Muscle Deltoid (Posterior Head) musculus deltoideus pars spinalis Shoulder The posterior deltoid is the spinal head of the deltoid, performing the opposite movements of the…

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