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Body Atlas, Muscle Reference

Muscles

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

118 muscles

118 muscles in Head & Skull Clear ×

Muscle Stapedius Detail musculus stapedius detail Head & Skull The stapedius is the smallest named muscle in the human body (1 mm long). Its facial… Muscle Styloglossus musculus styloglossus Head & Skull The styloglossus arises from the elongated styloid process of the temporal bone and retracts the tongue… Muscle Suboccipital Muscles musculi suboccipitales Head & Skull The four suboccipital muscles form the floor of the suboccipital triangle, a small but neurologically significant… 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 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 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 Thyroarytenoid Detail musculus thyroarytenoideus detail Head & Skull The thyroarytenoid contains the vocalis (thyrovocalis) as its medial portion — the muscle that forms the… Muscle Transverse Muscle of the Tongue musculus transversus linguae Head & Skull The transverse tongue muscle is one of the four intrinsic tongue muscles, consisting of fibres running… Muscle Transverse Part of Nasalis pars transversa m. nasalis Head & Skull The transverse part of nasalis is the compressor component that narrows the nasal bridge. Combined with… Muscle Vertical Muscle of the Tongue musculus verticalis linguae Head & Skull The vertical tongue muscle consists of fibres running vertically between the dorsal and ventral surfaces of… Muscle Vocalis Muscle Detail musculus vocalis (thyrovocalis) detail Head & Skull The vocalis is the medial portion of the thyroarytenoid, forming the muscular core of the membranous… Muscle Zygomaticus Major musculus zygomaticus major Head & Skull The zygomaticus major is the primary smiling muscle, running obliquely from the cheekbone to the corner… Muscle Zygomaticus Major Detail musculus zygomaticus major detail Head & Skull Zygomaticus major is the primary smile muscle. Its oblique direction from the zygomatic arch to the… Muscle Zygomaticus Minor musculus zygomaticus minor Head & Skull The zygomaticus minor is a small muscle of facial expression connecting the zygomatic bone to the…