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Muscle Group
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Muscle
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Innervation
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Blood Supply
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Pectoral Region
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Pectoralis Minor
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Medial and Lateral Pectoral
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Thoracoacromial
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Pectoral Region
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Pectoralis Major
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Medial and Lateral Pectoral
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Thoracoacromial
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Pectoral Region
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Serratus Anterior
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Long Thoracic
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Thoracoacromial
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Shoulder Region
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Deltoid
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Axillary
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Thoracoacromial
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Shoulder Region
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Subscapularis
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Upper and Lower Subscapular
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Subscapular, circumflex scapular
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Shoulder Region
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Supraspinatus
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Suprascapular
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Suprascapular
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Shoulder Region
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Infraspinatus
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Suprascapular
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Suprascapular
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Shoulder Region
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Teres Major
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Lower subscapular
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Subscapular, circumflex scapular
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Shoulder Region
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Teres Minor
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Axillary
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Subscapular, circumflex scapular
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Extrinsic Superficial Back
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Trapezius
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Spinal Accessory
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Occipital and Tranvserse Cervical
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Extrinsic Superficial Back
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Latissimus Dorsi
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Thoracodorsal
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Thoracodorsal, subscapular
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Extrinsic Superficial Back
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Rhomboid Major
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Dorsal Scapular
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Dorsal Scapular
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Extrinsic Superficial Back
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Rhomboid Minor
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Dorsal Scapular
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Dorsal Scapular
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Extrinsic Superficial Back
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Levator Scapular
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Dorsal Scapular
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Dorsal Scapular
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Extrinsic Intermediate Back
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Serratus Posterior Superior
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Intercostal T2-5
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N/A
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Extrinsic Intermediate Back
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Serratus Posterior Inferior
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Intercostal T9-12
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N/A
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Intrinsic Superficial Back
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Splenius Capitus
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Dorsal Rami
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N/A
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Intrinsic Superficial Back
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Splenius Cervicis
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Dorsal Rami
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N/A
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Intrinsic Intermediate (Erector Spinae) Back
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Iliocostalis
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Dorsal Rami
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N/A
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Intrinsic Intermediate (Erector Spinae) Back
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Longissimus
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Dorsal Rami
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N/A
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Intrinsic Intermediate (Erector Spinae) Back
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Spinalis
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Dorsal Rami
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N/A
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Intrinsic Deep (Transversospinalis) Back
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Semispinalis
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Dorsal Rami
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N/A
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Intrinsic Deep (Transversospinalis) Back
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Multifidus
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Dorsal Rami
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N/A
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Intrinsic Deep (Transversospinalis) Back
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Rotatores
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Dorsal Rami
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N/A
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Intrinsic Deep (Minor) Back
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Levatores Costarum
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Dorsal Rami
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N/A
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Intrinsic Deep (Minor) Back
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Interspinales
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Dorsal Rami
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N/A
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Intrinsic Deep (Minor) Back
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Intertransversarii
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Dorsal Rami
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N/A
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