practical 1 second order Flashcards
trapezius muscle
-elevate and superiorly rotate scapula; depress scapula
-medial attachment: occipital bone
-lateral attachment: clavicle
-innervation: accessory nerve
latissimus dorsi muscle
-agonist of arm extension; adducts arm and medially rotates arm
-proximal attachment: thoracic vertebrae; iliac crest
-distal attachment: humerus
-innervation: thoracodorsal nerve
rhomboid major muscle
-elevate and retract scapula; inferiorly rotate scapula
-medial attachment: thoracic vertebrae
-lateral attachment: scapula
-innervation: dorsal scapular nerve
teres minor muscle
-adducts and laterally rotates arm
-proximal attachment: scapula
-distal attachment: humerus
-innervation: axillary nerve
supraspinatus muscle
-abducts arm
-proximal attachment: scapula
-distal attachment: humerus
-innervation: suprascapular nerves
subscapularis muscle
-medially rotates arm
-proximal attachment: scapula
-distal attachment: humerus
-innervation: upper and lower subscapular nerves
splenius capitas muscle
-turns head to the same side (unilateral); extends head and neck (bilateral)
-superior attachment: occipital and temporal bone
-inferior attachment: ligamentum nuchae
-innervation: cervical spinal nerves
gluteus maximus muscle
-extends thigh; laterally rotates thigh
-proximal attachment: iliac crest, sacrum, coccyx
-distal attachment: femur
-innervation: inferior gluteal nerve
gluteus medius muscle
-abducts thigh; medially rotates thigh
-proximal attachment: posterior iliac crest
-distal attachment: femur
-innervation: superior gluteal nerve