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