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Body Atlas, Muscle Reference

Muscles

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

63 muscles

63 muscles in Head & Skull Clear ×

Muscle Splenius Capitis (Full) musculus splenius capitis Head & Skull The splenius capitis is the superficial posterior cervical muscle running diagonally from the nuchal ligament to… Muscle Stapedius musculus stapedius Head & Skull The stapedius is the smallest named muscle in the human body, measuring approximately 1 millimetre in… 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 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 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 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 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 musculus zygomaticus major Head & Skull The zygomaticus major is the most important smile muscle, drawing the corner of the mouth superolaterally… Muscle Zygomaticus Minor musculus zygomaticus minor Head & Skull The zygomaticus minor is a small muscle of facial expression connecting the zygomatic bone to the…