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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 Latissimus Dorsi Detail musculus latissimus dorsi detail Chest The latissimus dorsi is the broadest muscle, covering most of the posterior thorax. Its thoracodorsal nerve… Muscle Levator Anguli Oris musculus levator anguli oris Head & Skull The levator anguli oris lifts the corner of the mouth upward and slightly medially, deepening the… Muscle Levator Ani musculus levator ani Pelvis & Hip The levator ani is the primary muscular floor of the pelvis, a broad muscular diaphragm forming… Muscle Levator Ani (Abdominal Component) m. levator ani (pars abdominalis) Abdomen The levator ani as an abdominal (pelvic floor) muscle forms the diaphragm of the pelvic cavity,… Muscle Levator Ani Detail musculus levator ani detail Pelvis & Hip The levator ani is the primary pelvic floor muscle, forming a hammock beneath the pelvic organs.… Muscle Levator Ani Subdivisions musculus levator ani — partes Pelvis & Hip The levator ani is divided into three functional components: puborectalis (the most medial sling-like portion around… Muscle Levator Labii Superioris musculus levator labii superioris Head & Skull The levator labii superioris elevates the upper lip and dilates the nostril. Its nasolabial deepening action… Muscle Levator Labii Superioris Alaeque Nasi musculus levator labii superioris alaeque nasi Head & Skull The levator labii superioris alaeque nasi is one of the longest named muscles in the body,… Muscle Levator Labii Superioris Detail musculus levator labii superioris detail Head & Skull Levator labii superioris is a thin muscle that inserts into both skin and the upper lip… Muscle Levator Nasolabialis musculus levator nasolabialis Head & Skull The levator nasolabialis (also called levator labii superioris alaeque nasi — the longest named muscle in… Muscle Levator Palpebrae Superioris musculus levator palpebrae superioris Head & Skull The levator palpebrae superioris is the primary elevator of the upper eyelid, arising from the sphenoid… Muscle Levator Scapulae musculus levator scapulae Neck The levator scapulae is a strap muscle on the posterolateral neck connecting the upper cervical transverse… Muscle Levator Scapulae (Full) musculus levator scapulae Neck The levator scapulae is the primary scapular elevator, running from the upper cervical transverse processes to… Muscle Levator Scapulae at Scapular Insertion musculus levator scapulae (insertio) Shoulder Although levator scapulae originates in the neck, its distal insertion at the superior angle of the… Muscle Levator Veli Palatini musculus levator veli palatini Head & Skull The levator veli palatini is the primary elevator of the soft palate, contracting to close the… Muscle Levatores Costarum musculi levatores costarum Lower Back The levatores costarum are twelve pairs of small fan-shaped muscles on each side of the thoracic… Muscle Levatores Costarum (Detail) musculi levatores costarum (aspectus detailiatus) Chest The levatores costarum are 12 pairs of small fan-shaped muscles in the posterior thorax, each arising… Muscle Levatores Costarum Breves musculi levatores costarum breves Chest The levatores costarum breves are 12 muscles, one per thoracic level, each elevating the immediately adjacent… Muscle Levatores Costarum Longi musculi levatores costarum longi Chest The levatores costarum longi are present at T7-T11 only, spanning two rib levels. They supplement the… Muscle Long Head of Biceps at Shoulder caput longum m. bicipitis brachii pars humeralis Shoulder At the shoulder level, the long head biceps functions as a humeral head depressor and anterior… Muscle Longissimus musculus longissimus Lower Back The longissimus is the largest and most central column of the erector spinae, spanning the full… Muscle Longissimus (Full) musculus longissimus (pars erectoris spinae) Lower Back The longissimus is the intermediate and longest column of the erector spinae, running from the common… Muscle Longissimus Capitis musculus longissimus capitis Neck The longissimus capitis is the cranial extension of the longissimus column, arising from the lower cervical… Muscle Longissimus Cervicis musculus longissimus cervicis Neck The cervical longissimus is the intermediate column of the erector spinae in the neck, connecting the…

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