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Body Atlas, Muscle Reference

Muscles

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

32 muscles

32 muscles in Lower Back Clear ×

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 Rotatores Lumborum musculi rotatores lumborum Lower Back The lumbar rotatores are the deepest lumbar paraspinals with the highest muscle spindle density, functioning primarily… Muscle Serratus Posterior Inferior musculus serratus posterior inferior Lower Back The serratus posterior inferior counteracts the tendency of the diaphragm to pull the lower ribs inward… Muscle Spinalis musculus spinalis Lower Back The spinalis is the most medial column of the erector spinae, running from spinous process to… Muscle Spinalis (Full) musculus spinalis (pars erectoris spinae) Lower Back The spinalis is the most medial and smallest column of the erector spinae, connecting spinous processes… Muscle Spinalis Group musculus spinalis Lower Back The spinalis is the most medially placed and smallest column of the erector spinae, running between…