muscles Flashcards
pec major
prox: anterior maubrium and anterior surface of sternum/ anterior coastal cartilages 1-6/ ,medical 1/2 of anterior clavicle
dist: Lateraal lip of intertroubercular groove
actions: shoulder flexion, adduction, medial rotation
pec minor
prox: anterior surface of ribs 3-5
distal: coracoid process
action: scapula protraction & medial rotation
serrates anterior
prox: anterior surface of ribs 1-8
distal: medial boarder and inferior angle of scapula
action: scapula upward rotation and protraction
latissimus dorsi
prox: spinous process T6-S5, iliac crest, ribs 9-12
dist: floor of the intertroubercluar groove
action: shoulder adduction, extension, medial rotation
trapezius
prox: external occipital protuberance, superior nuchae line, ligaments nuchal, acromion of scapula, spinous process c7-t12
dist: lateral 1/3 of clavicle, acromion process, medial end of spine of scapula
rhomboid major
prox: spinous process t2-t5
distal: medial boarder
action: scapula downward rotation and retraction
rhomboid minor
prox: spinous process tc7-t1
distal: medial boarder
action: scapula downward rotation and retraction
levitator scapulae
prox: transverse process of C1-C3
distal: medial boarder
action: scapula downward rotation and elevation, neck extension
deltoid
prox: lateral 1/3 of clavicle, acromion process, spine of scapula
dist: deltoid tuberosity on humerus
action: shoulder abduction, flexion, extension,med and lat rot
teres major
prox: posterior surface of scapula near inferior angle
dist: medial lip of intertroubucular groove
action: shoulder adduction and med rot
suprapinous
prox: supraspinous fossa of scapula
dist: greater tubercle & shoulder joint capsule
action: shoulder abduction
infraspinatus
prox: infraspionous fossa
dist: greater tubercle & shoulder joint capsule
action: lateral rotation
teres minor
prox: lateral boarder of scapula
dist: greater tubercle & shoulder joint capsule
action: lat rotation
subscapularis
prox subscapular fossa
dist lesser tubercle and shoulder joint capsule
action med rot and add
biceps brachii
prox: coracoid process, supraglenoid tubercle, superior part of glenoid labrum
dist: radial tuberocity & deep facia of ulnar side of forearm via bicipital aponeurosis
action: shoulder flexion, elbow flexion, forum supination
brachiallis
prox: distal 2/3 of humerus
distal: ulnar tuberosity and coronoid process
action elbow flexion
coracobrachilais
prox: coracoid process
dist: middle 1/3 of medial shaft of humerus
action: shoulder flexion & horizontal adduction
triceps brachii
prox: infraglenoid tubercle, inferior part of gelling labrum, posterior shaft to L and M to spiral groove
distal: olecranon process and posterior elbow joint capsule
action: shoulder and elbow extension shoulder adduction
printer tesers
prox: lateral SPCR, epicondyle and medial surface of proximal ulna
dist: impression of pronator testes of lateral mineshaft of radius
action: forearm pronation, elbow flexion