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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 Medial Rectus (Eye) musculus rectus medialis oculi Head & Skull The medial rectus is the primary adductor of the eye and the strongest extra-ocular muscle by… Muscle Mentalis musculus mentalis Head & Skull The mentalis is the primary muscle of chin expression, producing the characteristic cobblestone or dimpled chin… Muscle Mentalis Detail musculus mentalis detail Head & Skull The mentalis is the primary chin muscle, producing the pout and chin dimple. It is the… Muscle Middle Pharyngeal Constrictor musculus constrictor pharyngis medius Head & Skull The middle pharyngeal constrictor forms the oropharyngeal muscular wall, with its fibres overlapping both the superior… Muscle Middle Scalene musculus scalenus medius Neck The middle scalene is the largest of the three scalenes, running from the C2 through C7… Muscle Middle Scalene Detail musculus scalenus medius detail Neck The middle scalene is the largest scalene and forms the posterior wall of the interscalene triangle.… Muscle Mueller’s Superior Tarsal Muscle musculus tarsalis superior Head & Skull Mueller's muscle (superior tarsal muscle) is a thin smooth muscle located between the levator palpebrae superioris… Muscle Multifidus musculus multifidus Lower Back The multifidus is the most important deep stabilising muscle of the spine, spanning 2 to 4… Muscle Multifidus (Full) musculus multifidus Lower Back The multifidus is the most important lumbar spinal stabiliser, providing segmental control through its short multi-segment… Muscle Multifidus (Lumbar) musculus multifidus lumborum Lower Back The lumbar multifidus is the most important lumbar stabiliser, providing segmental control of each vertebral motion… Muscle Multifidus Cervicis musculus multifidus cervicis Neck The cervical multifidus connects articular pillars to spinous processes above, providing segmental control of cervical motion.… Muscle Multifidus Lumbar Detail musculus multifidus lumborum detail Lower Back The lumbar multifidus is the single most important stabilising muscle of the lumbar spine. Its deep… Muscle Multifidus Thoracis musculus multifidus thoracis Chest The thoracic multifidus provides segmental control of thoracic spinal motion, spanning 2-4 vertebral levels. It is… Muscle Musculus Uvulae musculus uvulae Head & Skull The musculus uvulae is a paired muscle within the uvula that shortens and thickens it during… Muscle Mylohyoid musculus mylohyoideus Neck The mylohyoid forms the muscular floor of the mouth, creating the diaphragm on which the tongue… Muscle Mylohyoid (Full) musculus mylohyoideus Head & Skull The mylohyoid forms the muscular floor of the oral cavity, separating the sublingual space above from… Muscle Mylohyoid Detail musculus mylohyoideus detail Neck The mylohyoid is the primary muscular floor of the mouth, forming a sling between the two… Muscle Nasalis musculus nasalis Head & Skull The nasalis has two functionally opposite parts: the transverse compressor narrows the nasal aperture during forced… Muscle Oblique Arytenoid Muscle musculus arytenoideus obliquus Neck The oblique arytenoid muscle consists of two fibres that cross over the back of the larynx… Muscle Obliquus Capitis Inferior musculus obliquus capitis inferior Neck The obliquus capitis inferior is the largest of the four suboccipital muscles and the only one… Muscle Obliquus Capitis Inferior Detail musculus obliquus capitis inferior detail Neck Obliquus capitis inferior is the largest suboccipital muscle and the primary rotator of C1 on C2.… Muscle Obliquus Capitis Superior musculus obliquus capitis superior Neck The obliquus capitis superior is one of the four suboccipital muscles, forming the superolateral boundary of… Muscle Obliquus Capitis Superior Detail musculus obliquus capitis superior detail Neck Obliquus capitis superior connects C1 to the occiput, forming the superolateral boundary of the suboccipital triangle.… Muscle Obturator Externus musculus obturator externus Pelvis & Hip The obturator externus is a flat, fan-shaped muscle on the outer surface of the pelvis that…

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