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Body Atlas, Muscle Reference

Muscles

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

91 muscles

91 muscles in Neck Clear ×

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 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 Thyroarytenoid musculus thyroarytenoideus Neck The thyroarytenoid is the bulk of the true vocal fold, whose medial fibres form the vocalis… Muscle Thyrohyoid musculus thyrohyoideus Neck The thyrohyoid connects the thyroid cartilage to the hyoid bone and is unique among the infrahyoid… Muscle Thyrohyoid Detail musculus thyrohyoideus detail Neck The thyrohyoid has the unique distinction of being innervated by C1 fibres that travel with the… Muscle Transverse Arytenoid Muscle musculus arytenoideus transversus Neck The transverse arytenoid (interarytenoid) muscle is the only unpaired intrinsic laryngeal muscle. It connects the posterior… Muscle Trapezius (Full Overview) musculus trapezius overview Neck The trapezius covers the posterior neck and upper thorax. Its three parts coordinate scapular movement for… Muscle Trapezius (Upper) musculus trapezius pars descendens Neck The upper trapezius is the most superficial and visible portion of the trapezius, running from the… Muscle Upper Esophageal Sphincter musculus sphincter oesophagi superior Neck The upper esophageal sphincter (UES) is formed principally by the cricopharyngeus muscle (the horizontal fibers of… Muscle Vocalis Muscle musculus vocalis Neck The vocalis muscle is the medial portion of the thyroarytenoid muscle, running parallel to and directly…