Upper Body- Origins and Insertions Flashcards
What is the origin and insertion of infraspinatus
nfraspinatous fossa
greater tubercle of the humerus (middle facet)
What is the origin and insertion of flexor digitorum superficialis
humeroulnar head: common flexor tendon; radial head: middle 1/3 of radius
shafts of the middle phalanges of digits 2-5
What is the origin and insertion of extensor digiti minimi
common extensor tendon (lateral epicondyle of the humerus)
joins the extensor digitorum tendon to the 5th digit and inserts into the extensor expansion
What is the origin and insertion of extensor indicis
nterosseous membrane and the posterolateral surface of the distal ulna
its tendon joins the tendon of the extensor digitorum to the second digit; both tendons insert into the extensor expansion
What is the origin and insertion of pectoralis major
medial 1/2 of the clavicle, manubrium & body of sternum, costal cartilages of ribs 2-6, sometimes from the rectus sheath of the upper abdominal wall
crest of the greater tubercle of the humerus
What is the origin and insertion of flexor pollicis longus
anterior surface of radius and interosseous membrane
base of the distal phalanx of the thumb
What is the origin and insertion of abductor pollucis brevis
flexor retinaculum, scaphoid, trapezium
base of the proximal phalanx of the first digit
What is the origin and insertion of supraspinatus
supraspinatous fossa
greater tubercle of the humerus (highest facet)
What is the origin and insertion of extensor pollicis brevis
interosseous membrane and the posterior surface of the distal radius
base of the proximal phalanx of the thumb
What is the origin and insertion of abductor digiti minimi (hand)
pisiform
base of the proximal phalanx of the 5th digit on its ulnar side
What is the origin and insertion of opponens digiti minimi
hook of hamate and flexor retinaculum
shaft of 5th metacarpal
What is the origin and insertion of serratus posterior inferior
thoracolumbar fascia, spines of vertebrae T11-T12 and L1-L2
ribs 9-12, lateral to the angles
What is the origin and insertion of teres minor
upper 2/3 of the lateral border of the scapula
greater tubercle of the humerus
What is the origin and insertion of extensor carpi ulnaris
common extensor tendon & the middle one-half of the posterior border of the ulna
medial side of the base of the 5th metacarpal
What is the origin and insertion of subclavius
first rib and its cartilage inferior surface of the clavicle
What is the origin and insertion of teres major
dorsal surface of the inferior angle of the scapula
crest of the lesser tubercle of the humerus
What is the origin and insertion of extensor digitorum
common extensor tendon (lateral epicondyle of the humerus)
extensor expansion of digits 2-5
What is the origin and insertion of flexor carpi ulnaris
common flexor tendon & (ulnar head) from medial border of olecranon & upper 2/3 of the posterior border of the ulna
pisiform, hook of hamate, and base of 5th metacarpal
What is the origin and insertion of opponens pollicis
flexor retinaculum, trapezium
shaft of 1st metacarpal
What is the origin and insertion of extensor pollicis longus
interosseous membrane and middle part of the posterolateral surface of the ulna
base of the distal phalanx of the thumb
What is the origin and insertion of trapezius
medial third of the superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of vertebrae C7-T12
lateral third of the clavicle, medial side of the acromion and the upper crest of the scapular spine, tubercle of the scapular spine
What is the origin and insertion of pronator quadratus
medial side of the anterior surface of the distal one-fourth of the ulna
anterior surface of the distal one-fourth of the radius
What is the origin and insertion of flexor carpi radialis
common flexor tendon from the medial epicondyle of the humerus
base of the second and third metacarpals
What is the origin and insertion of pectorialis minor
ribs 3-5
coracoid process of the scapula
What is the origin and insertion of latissimus dorsi
vertebral spines from T7 to the sacrum, posterior third of the iliac crest, lower 3 or 4 ribs, sometimes from the inferior angle of the scapula
floor of the intertubercular groove
What is the origin and insertion of abductor pollicis longus
middle one-third of the posterior surface of the radius, interosseous membrane, mid-portion of posterolateral ulna
radial side of the base of the first metacarpal
What is the origin and insertion of deltoid
lateral one-third of the clavicle, acromion, the lower lip of the crest of the spine of the scapula
deltoid tuberosity of the humerus
What is the origin and insertion of supinator
lateral epicondyle of the humerus, supinator crest & fossa of the ulna, radial collateral ligament, annular ligament
lateral side of proximal one-third of the radius
What is the origin and insertion of anconeus
lateral epicondyle of the humerus
lateral side of the olecranon and the upper one-fourth of the ulna
What is the origin and insertion of triceps brachii
long head: infraglenoid tubercle of the scapula; lateral head: posterolateral humerus & lateral intermuscular septum; medial head: posteromedial surface of the inferior 1/2 of the humerus
olecranon process of the ulna
What is the origin and insertion of extensor carpi radialis brevis
lateral supracondylar ridge of the humerus (common extensor tendon
dorsum of the third metacarpal bone (base)
What is the origin and insertion of biceps brachii
short head: tip of the coracoid process of the scapula; long head: supraglenoid tubercle of the scapula
tuberosity of the radius
What is the origin and insertion of flexor digiti minimi brevis (hand)
hook of hamate & the flexor retinaculum
proximal phalanx of the 5th digit
What is the origin and insertion of flexor digitorum profundus
posterior border of the ulna, proximal two-thirds of medial border of ulna, interosseous membrane
base of the distal phalanx of digits 2-5
What is the origin and insertion of subscapularis
medial two-thirds of the costal surface of the scapula (subscapular fossa)
lesser tubercle of the humerus
What is the origin and insertion of palmaris brevis
fascia overlying the hypothenar eminence
skin of the palm near the ulnar border of the hand
What is the origin and insertion of rhomboideus minor
inferior end of the ligamentum nuchae, spines of vertebrae C7 and T1
medial border of the scapula at the root of the spine of the scapula
What is the origin and insertion of palmaris longus (if present)
common flexor tendon, from the medial epicondyle of the humerus
palmar aponeurosis
What is the origin and insertion of coracobrachialis
coracoid process of the scapula
medial side of the humerus at mid-shaft
What is the origin and insertion of rhomboideus major
spines of vertebrae T2-T5
medial border of the scapula inferior to the spine of the scapula
What is the origin and insertion of serratus anterior
ribs 1-8 or 9
medial border of the scapula on its costal (deep) surface
What is the origin and insertion of serratus posterior superior
ligamentum nuchae, spines of vertebrae C7 and T1-T3
ribs 1-4, lateral to the angles
What is the origin and insertion of brachialis
anterior surface of the lower one-half of the humerus and the associated intermuscular septa
coronoid process of the ulna
What is the origin and insertion of pronator teres
common flexor tendon and (deep or ulnar head) from medial side of coronoid process of the ulna
midpoint of the lateral side of the shaft of the radius
What is the origin and insertion of flexor pollicis brevis
flexor retinaculum, trapezium
proximal phalanx of the 1st digit
What is the origin and insertion of levator scapulae
ransverse processes of C1-C4 vertebrae
medial border of the scapula from the superior angle to the spine
What is the origin and insertion of extensor carpi radialis longus
lower one-third of the lateral supracondylar ridge of the humerus
dorsum of the second metacarpal bone (base)
What is the origin and insertion of adductor pollicis
oblique head: capitate and base of the 2nd and 3rd metacarpals; transverse head: shaft of the 3rd metacarpal
base of the proximal phalanx of the thumb
What is the origin and insertion of brachioradialis
upper two-thirds of the lateral supracondylar ridge of the humerus
lateral side of the base of the styloid process of the radius
