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Exam 1 Muscle Review

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Boston College
BIOL 1300

ANATOMY EXAM 1 REVIEW – MUSCLES, INNERVATIONS, VASCULATURE BACK MUSCLES (11) Grouping Muscle Innervation Vasculature Trapezius Accessory n. (CN XI) Transverse cervical a. Latissimus dorsi Thoracodorsal n. Thoracodorsal a. Superficial (5) Rhomboideus major Rhomboideus minor Dorsal scapular n. Dorsal scapular a. Levator scapulae Serratus posterior superior VPR T2 – T5 Intercostal a. Intermediate (2) Serratus posterior inferior VPR T9 – T12 Splenius capitis Dorsal rami of spinal n. Splenius cervicis Semispinalis Dorsal rami of cervical spinal Deep (4) n. Erector spinae: Dorsal rami of respective Lateral sacral a. Iliocostalis spinal n. Lonigissimus Spinalis SHOULDER & PECTORAL REGION (11) Grouping Muscle Innervation Vasculature Shoulder (7) Deltoid Axillary n. Thoracoacromial a. (deltoid branch) Supraspinatus Suprascapular n. Anastomoses from subclavian Infraspinatus Suprascapular n. or axillary a. that include: Teres minor Axillary n. Suprascapular a. Dorsal scapular a. Teres major Lower subscapular n. Subscapularis Upper & lower subscapular n. Circumflex scapular a. Omohyoid Cervical n. C1-C3 via ansa cervicalis Pectoralis major Lateral & medial pectoral n. Thoracoacromial a. (pectoral Pectoralis minor Medial pectoral n. branches) Pectoral region (4) Serratus anterior Long thoracic n. Lateral thoracic a. Subclavius Subclavian n. Thoracoacromial a. (clavicular branch) ARM (5) Grouping Muscle Innervation Vasculature Coracobrachialis Anterior (3) Biceps brachii Musculocutaneous n. Brachial a. & its branches (long, short) Brachialis Triceps brachii Posterior (2) (long, lateral, medial) Radial n. Profunda brachii a. Anconeus FOREARM (20) 1 Grouping Muscle Innervation Vasculature Pronator teres Median n. Ulnar a. & radial a. Flexor carpi radialis Anterior (superficial – 5) Flexor carpi ulnaris Ulnar n. Flexor digitorum superficialis Ulnar a. Median n. Palmaris longus Flexor digitorum profundus Medial: anterior interosseus n. Anterior (deep – 3) Lateral: ulnar n. Anterior interosseus a. Pronator quadratus Anterior interosseus n. of Flexor pollicis longus median n. Brachioradialis Radial recurrent a. Extensor carpi radialis longus Radial a. Radial n. Anconeus Profundi brachii a. Extensor carpi radialis brevis Deep branch of radial n. Radial a. Supinator Radial recurrent a. Posterior (12) Extensor carpi ulnaris Ulnar a. Extensor digitorum Abductor pollicis longus Extensor pollicis longus Posterior interosseus n. of Posterior interosseus a. from Extensor pollicis brevis radial n. common interosseous a. branch from ulnar a. Extensor indices Extensor digiti minimi HAND (19) Grouping Muscle Innervation Vasculature Thenar (3) Abductor pollicis brevis Superficial palmar branch of Flexor pollicis brevis Recurrent branch of median n. the radial a. Opponens pollicis Hypothenar (3) Abductor digiti minimi Flexor digit minimi brevis Deep branch of ulnar n. Ulnar a. Opponens digiti minimi Lumbrical 1 Median n. Superficial palmar arch Deep palmar arch Short (Palmar – 9) Lumbrical 2 Common palmar digital a. Dorsal digital a. Lumbrical 3 Deep branch of ulnar n. Superficial palmar arch Lumbrical 4 Deep palmar arch Common palmar digital a. Dorsal digital a. Palmar interossei (1-3) Dorsal metacarpal a.
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