front 1 Frontalis | back 1 Elevates eyebrows |
front 2 Occipitalis | back 2 Pulls scalp posteriorly |
front 3 Buccinator | back 3 Compresses the cheek |
front 4 Orbicularis Oculi | back 4 Closes the eyes |
front 5 Orbicularis Oris | back 5 Closes and protrudes the lip |
front 6 Mentalis | back 6 Elevates and protrudes the lip |
front 7 Platysma | back 7 Depresses lower lip Tenses skin of neck |
front 8 Zygomaticus Major | back 8 Pulls angle of mouth superiorly and laterally |
front 9 Zygomaticus Minor | back 9 Elevates lateral portion of the lip |
front 10 Temporalis | back 10 Retracts and elevates mandible |
front 11 Masseter | back 11 Closes jaw Elevates mandible |
front 12 Splenius Capitus | back 12 Extends the neck |
front 13 Sternocleidomasoid | back 13 Flexes Neck |
front 14 Erector Spinae | back 14 Extends vertebral column |
front 15 External Intercostals | back 15 Elevates rib cage |
front 16 Internal intercostals | back 16 Depresses rib cage |
front 17 Diaphragm | back 17 Expands thoracic cavity Compresses abdominopelvic cavity |
front 18 Rectus Abdominus | back 18 Compresses abdominal cavity Flexes vertebral column |
front 19 Internal Obliques | back 19 Flexes or bends spine Compresses abdomen |
front 20 External Obliques | back 20 Flexes or bends spine Compresses abdomen Depresses ribs |
front 21 Transversus Abdominus | back 21 Compresses abdomen |
front 22 Pectoralis Minor | back 22 Elevates ribs Protracts and depresses scapula |
front 23 Levator Scapulae | back 23 Rotates, elevates, and retracts scapula |
front 24 Serratus Anterior | back 24 Protracts scapula Superior rotation of scapula |
front 25 Trapezius | back 25 Rotates scapula posteriorly Retracts and depresses scapula |
front 26 Subclavius | back 26 Protracts and depresses shoulder |
front 27 Rhomboid Major | back 27 Adducts scapula Performs downward rotations |
front 28 Rhomboid Minor | back 28 Adducts scapula Performs downward rotations |