Complete list of M, A, I and BS Flashcards
Trapezius M.
A: Elevate, retract and rotate scapula. Lower fibers depress scapula.
N: CN XI
BS: Transverse cervical A.
Latissimus dorsi M.
A: Extends, ADducts and medially rotates humerus.
N: Thoracodorsal N.
BS: Thoracodorsal A.
Rhomboid major & minor Ms.
A: Retracts scapular, rotates GC inferiorly, and fixes scapula to thoracic wall.
N: Dorsal scapular N.
BS: Dorsal scapular A.
Levator scapulae M.
A: Elevate scapula.
N: Dorsal scapular N.
BS: Dorsal scapular A.
Serratus posterior superior M.
A: Aids in forced inspiration.
N: Intercostal N.
BS: Posterior intercostal A.
Serratus posterior inferior M.
A: Aids in forced expiration.
N: Anterior rami
BS: Posterior intercostal A.
Splenius capitis M.
A: BL extend head. UL sidebend and rotates face to same side.
N: Posterior rami
BS: Occipital A.
Splenius cervicis M.
A: BL extend neck. UL side bend and rotate neck to same side.
N: Posterior rami
BS: Occipital A.
Obliquus capitis inferior M.
A: Rotates atlas to turn face to same side.
N: Suboccipital N.
BS: Vertebral A.
Obliquus capitis superior M.
A: Extend and sidebend head.
N: Suboccipital N.
BS: Vertebral A.
Rectus capitis posterior minor M.
A: Extend head.
N: Suboccipital N.
BS: Vertebral A.
Rectus capitis major M.
A: Extend and rotate head to same side.
N: Suboccipital N.
BS: Vertebral A.
Erector spinae group
Iliocostalis Ms., Longissimus Ms., Spinalis Ms.
A: Extend and sidebend the vertebral column.
N: Posterior rami
BS:
In cervical portions - Occipital A., Vertebral A., and Deep cervical A.
In thoracic portions - Posterior intercostal A., Subcostal A., Lumbar A.
In sacral portions - Lateral sacral A.
Deltoid M.
A: ABducts, flexes, extends and medially rotates the arm.
N: Axillary N.
BS: Posterior circumflex humeral A.
Supraspinatus M.
A: ABduct the humerus.
N: Suprascapular N.
BS: Suprascapular A.
Infraspinatus M.
A: Laterally rotate humerus.
N: Suprascapular N.
BS: Suprascapular A.
Subscapularis M.
A: Medially rotate and ADduct the arm.
N: Upper and Lower subscapular Ns.
BS: Subscapular A.
Teres minor M.
A: Laterally rotate humerus.
N: Axillary N.
BS: Circumflex scapular A.
Teres major M.
A: ADduct and medially rotate arm.
N: Lower subscapular N.
BS: Circumflex scapular A.
Pectoralis major M.
A: Flexes, ADducts and medially rotates the humerus.
N: Lateral and Medial pectoral Ns.
BS: Pectoral branch of the Thoracromial trunk
Pectoralis minor M.
A: Protracts, depresses and protects scapula.
N: Medial pectoral N.
BS: Pectoral branch of the Thoracromial trunk
Subclavius M.
A: Positions and depresses clavicle.
N: N. to Subclavius M.
BS: Clavicular branch of the Thoracromial trunk
Serratus anterior M.
A: Protracts and stabilized scapula. Rotates GC inferiorly.
N: Long thoracic N.
BS: Lateral thoracic A.
Biceps brachii M.
A: Flexes and supinates forearm.
N: Musculocutaneous N.
BS: Brachial A.
Coracobrachialis M.
A: Flex and ADduct the humerus.
N: Musculocutaneous N.
BS: Brachial A.
Brachialis M.
A: Flexes forearm.
N: Musculocutaneous N.
BS: Radial recurrent A.
Triceps brachii M.
A: Extends forearm.
N: Radial N.
BS: Deep brachial A.
Anconeus M.
A: Assists Triceps.
N: Radial N.
BS: Deep brachial A.
Pronator teres M.
A: Pronation.
N: Median N.
BS: Anterior ulnar recurrent A.
Flexor carpi radialis M.
A: Flexes and ABducts hand at the wrist.
N: Median N.
BS: Radial A.
Palmaris longus M.
A: Flexes hand at the wrist.
N: Median N.
BS: Posterior ulnar recurrent A.
Flexor carpi ulnaris M.
A: Flexes and ADducts hand at the wrist.
N: Ulnar N.
BS: Ulnar A.
Flexor digitorum superficialis M.
A: Flex at the metacarpophalangeal joints of digits I-IV.
N: Median N.
BS: Ulnar and Radial As.
Flexor digitorum profundus M.
A: Flexes at the distal phalangeal joints.
N: Ulnar N.
BS: Anterior interosseous A.
Flexor pollicis longus M.
A: Flex the thumb.
N: Anterior interosseous N.
BS: Anterior interosseous A.
Pronator quadratus M.
A: Pronation.
N: Anterior interosseous N.
BS: Anterior interosseous A.
Brachioradialis M.
A: Mild flexion of forearm (best when forearm is midpronated).
N: Radial N.
BS: Radial recurrent A.
Extensor carpi radialis longus M.
A: Extend and ABduct hand at the wrist.
N: Radial N.
BS: Radial A.
Extensor carpi radialis brevis M.
A: Extend and ABduct hand at the wrist.
N: Deep radial N.
BS: Radial A.
Extensor digitorum M.
A: Extend digits I-IV.
N: Posterior interosseous N.
BS: Posterior interosseous A.
Extensor digiti minimi M.
A: Extends digit V.
N: Posterior interosseous N.
BS: Posterior interosseous A.
Extensor carpi ulnaris M.
A: Extends and ADducts hand at the wrist.
N: Posterior interosseous N.
BS: Posterior interosseous A.
Supinator M.
A: Supination.
N: Deep radial N.
BS: Posterior interosseous A.
ABductor pollicis longus M.
A: ABducts the thumb.
N: Posterior interosseous A.
BS: Posterior interosseous N.
Extensor pollicis brevis M.
A: Extends proximal phalanx of thumb.
N: Posterior interosseous N.
BS: Posterior interosseous A.
Extensor pollicis longus M.
A: Extends distal phalanx of thumb.
N: Posterior interossous N.
BS: Posterior interosseous A.
Extensor indicis M.
A: Extend index finger.
N: Posterior interosseous N.
BS: Posterior interosseous A.
1st and 2nd Lumbrical Ms.
A: Extend digits at interphalangeal joints. Flex metacarpophalangeal joints.
N: Median N.
BS: Superficial and deep palmar arches
Opponens pollicis M.
A: Oppose thumb.
N: Median N.
BS: Superficial palmar arch
ABductor pollicis brevis M.
A: ABducts thumb.
N: Median N.
BS: Superficial palmar arch
Flexor pollicis brevis M.
A: Flexes proximal phalanx of thumb.
N: Median N.
BS: Superficial palmar arch
3rd and 4th Lumbrical Ms.
A: Extend digits at interphalangeal joints. Flex metacarpophalangeal joints.
N: Deep ulnar N.
BS: Superficial and deep palmar arches
Oppenens digiti minimi M.
A: Oppose digit V.
N: Deep ulnar N.
BS: Deep palmar arch
ADductor pollicis M.
A: ADduct thumb.
N: Deep ulnar N.
BS: Deep palmar arch
Flexor digiti minimi brevis M.
A: Flex digit V at proximal phalanx.
N: Deep ulnar N.
BS: Deep palmar arch
Dorsal interossei Ms. (DABs)
A: ABducts digits. Flex digits at all finger joints.
N: Deep ulnar N.
BS: Deep palmar arch
Palmar interossei Ms.
A: ADducts digits. Flex digits at all finger joints.
N: Deep ulnar N.
BS: Deep palmar arch