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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 Quadratus Femoris (Full) musculus quadratus femoris Pelvis & Hip The quadratus femoris is the most inferior of the six deep external hip rotators, running horizontally… Muscle Quadratus Femoris Detail musculus quadratus femoris detail Pelvis & Hip The quadratus femoris is the most inferior of the short external rotators (the "POGO" muscles —… Muscle Quadratus Lumborum musculus quadratus lumborum Lower Back The quadratus lumborum is a rectangular muscle filling the space between the iliac crest and the… Muscle Quadratus Lumborum (Full) musculus quadratus lumborum Lower Back The quadratus lumborum is the lateral lumbar stabiliser connecting the iliac crest to the 12th rib… Muscle Quadratus Lumborum Lateral Fibers fibrae laterales m. quadrati lumborum Lower Back The lateral fibres of quadratus lumborum connect the iliac crest to the twelfth rib, with a… Muscle Quadratus Plantae musculus quadratus plantae Foot & Ankle The quadratus plantae (flexor digitorum accessorius) is a unique plantar muscle that attaches to the FDL… Muscle Quadratus Plantae Detail musculus quadratus plantae detail Foot & Ankle Quadratus plantae (flexor accessorius) uniquely inserts on a tendon rather than bone, modifying the FDL vector.… Muscle Quadriceps Femoris musculus quadriceps femoris Thigh The quadriceps femoris is actually a group of four muscles on the front of the thigh,… Muscle Rectococcygeus Muscle musculus rectococcygeus Pelvis & Hip The rectococcygeus muscle is a paired smooth muscle band connecting the posterior rectal wall to the… Muscle Rectus Abdominis musculus rectus abdominis Abdomen The rectus abdominis is the paired, vertically oriented muscle running from the pubis to the lower… Muscle Rectus Abdominis Detail musculus rectus abdominis detail Abdomen The rectus abdominis is enclosed in the rectus sheath. Its segmental blood supply from the inferior… Muscle Rectus Capitis Anterior musculus rectus capitis anterior Neck The rectus capitis anterior is one of the prevertebral muscles lying directly on the anterior atlantooccipital… Muscle Rectus Capitis Anterior Detail musculus rectus capitis anterior detail Neck Rectus capitis anterior is one of the four prevertebral muscles at the craniovertebral junction. Its short… Muscle Rectus Capitis Lateralis musculus rectus capitis lateralis Neck The rectus capitis lateralis is a short prevertebral muscle bridging the lateral mass of the atlas… Muscle Rectus Capitis Lateralis Detail musculus rectus capitis lateralis detail Neck Rectus capitis lateralis connects the C1 transverse process to the jugular process of the occiput, producing… Muscle Rectus Capitis Posterior Major musculus rectus capitis posterior major Neck The rectus capitis posterior major is the larger of the two rectus capitis posterior muscles, forming… Muscle Rectus Capitis Posterior Major Detail musculus rectus capitis posterior major detail Neck Rectus capitis posterior major is the larger of the two rectus capitis posterior muscles, forming the… Muscle Rectus Capitis Posterior Minor musculus rectus capitis posterior minor Neck The rectus capitis posterior minor is the deepest and most medial of the suboccipital muscles, lying… Muscle Rectus Capitis Posterior Minor Detail musculus rectus capitis posterior minor detail Neck Rectus capitis posterior minor is the smallest suboccipital muscle, connecting the C1 posterior arch to the… Muscle Rectus Femoris musculus rectus femoris Thigh The rectus femoris is the only quadriceps head that crosses the hip joint, arising from the… Muscle Rectus Femoris Detail musculus rectus femoris detail Thigh The rectus femoris is unique among the quadriceps in crossing both the hip and knee joints.… Muscle Rhomboid Major musculus rhomboideus major Chest The rhomboid major is a quadrilateral muscle lying deep to the trapezius and connecting the mid-thoracic… Muscle Rhomboid Major (Full) musculus rhomboideus major Chest The rhomboid major is the larger of the two rhomboids, retracting the scapula and rotating the… Muscle Rhomboid Major at Scapular Insertion musculus rhomboideus major (insertio scapularis) Shoulder The rhomboid major inserts along the medial scapular border at the shoulder level, providing scapular retraction…

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