Muscles of the Back Word Scramble
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Muscle | Attachment | Innervation | Main Action(s) |
Trapezius Muscle | External occipital protuberance, Nuchal ligament, Spine & acromion of scapula | Spinal Accessory Nerve (CN 11) | Elevates, retracts and depresses scapula |
Latissimus Dorsi Muscle | Spines of T7-T12, Thoracolumbar fascia, iliac crest | Thoracodorsal Nerve | Extends, retracts, and medially rotates humerous at shoulder |
Rhomboid Major Muscle | T2-T5, Medial border of scapula | Dorsal Scapular Nerve | Rotate and retract scapula |
Rhomboid Minor Muscle | Nuchal ligament, Medial border of scapula | Dorsal Scapular Nerve | Rotate and retract scapula |
Levator Scapulae Muscle | Transverse processes C1-C4, Superior angle of scapula | Dorsal Scapular Nerve | Rotates scapula |
Serratus Posterior Superior Muscle | Nuchal ligament, Superior borders of ribs 2-4 | Intercostal Nerve | Respiratory muscles |
Serratus Posterior Inferior Muscle | Superior borders of ribs 8-12 | Intercostal Nerve | Respiratory muscles |
Splenius Capitis Muscle | Nuchal ligament, Mastoid process | Posterior rami of spinal nerves | Extends head and neck |
Splenius Cervicis Muscle | Nuchal ligament, Transverse processes C1-C4 | Posterior rami of spinal nerves | Extends head and neck |
Semispinalis, Rotatores, and Multifidus (Deep transversospinal muscles of the back) | Spinous processes of more superior vertebrae | Dorsal rami of spinal nerves | Extension, stabilizes vertebrae |
Spinalis Muscle | Spinous processes | Dorsal rami of spinal nerves | Extend, laterally bend vertebral column |
Longissimus Muscle | Sacrum, Transverse processes of T, C vertebrae, Mastoid process of temporal bone | Dorsal rami of spinal nerves | Extend, laterally bend vertebral column |
Iliocostalis Muscle | Iliac crest, Ribs | Dorsal rami of spinal nerves | Extend, laterally bend vertebral column |
Created by:
joplinette
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