ANATOMY- UPPER LIMB Flashcards
CORACOBRACHILAIS
O- apex of the coracoid process
I- linear roughening on mid shaft of humerus on the medial side
flexes the elbow
BICEPS BRACHII
O- long head –> tubercle above glenoid fossa. Supraglenoid tubercle of the scapula
short head –> apex of coracoid process
I- radial tuberosity
A- flexion of elbow
BRACHIALIS
O- anterior aspect of the humerus and adjacent inter muscular septae
I- tuberosity of the ulna
flexes arm
BRACHORADIALIS
O- lateral supracondylar ridge
I- lateral surface of the radius above styloid process
A- pronation and flexion of elbow
TRICEPS
O: long head–> infraglenoid tubercle
medial head –> lower part of posterior surface of humerus
lateral head –> upper part of posterior surface of humerus
I: posterior surface olecranon of ulna
I: radial nerve C6-C8
A: extension of the elbow
SUPRASPINATUS
O- medial 2/3 of the supraspinatus fossa of the scapula and the deep fascia that covers the muscle
I- most superior facet on the greater tubercle of the humerus
abducts the arm
INFRASPINATUS
o- medial 2/3 of the infraspinatus fossa of the scapula and the deep fascia that covers the msucle
I- middle facet on posterior surface of the greater tubercle of the humerus- stability
externally rotates the arm
TERES MINOR
O- upper part of lateral border of the scapula
I- lower most facet on the posterior surface of the greater tubercle of the humerus
externally rotates the arm
SUBSCAPULARIS
o- medial 2/3 of sub scapular fossa
I- lesser tubercle of humerus
internally/medially rotates the arm
ANCONEUS
O: lateral epicondyle of humerus
I: olecranon and upper part of ulnar shaft
I: radial nerve C7,C8
A: extends the elbow
SUPINATOR
O- superficial part –? lateral epicondyle of humerus
radial collateral and angular ligaments
deep part –> supinator crest of the ulna
I- lateral surface of radius superior to the anterior oblique line
A- supinates the forearm
PRONATOR TERES
O- humeral head –> medial epicondyle and supraepicondylar ridge of the humerus
ulnar head –> medial side of corned process of ulna
I- roughening on lateral surface, mid shaft of radius
A- pronates forearm
assists elbow flexion
PECTORALIS MINOR
O- anterior surfaces ad superior borders of ribs 3,4,5 and from deep fascia overlying the related intercostal spaces I- coracoid process of scapula A- pulls tip of shoulder down protracts and medial rotates the scapula accessory muscle of inspiration
LEVATOR SCAPULAE
o- transverse processes of C1,2, 3 ad 4 vertebrae and posterior tubercles of transverse processes of C3 and C4 vertebrae
I- posterior surface f medial border of scapula t the root of the spine of the scapula
A- elevation and medial rotation of scapula
UPPER FIBRES OF TRAPEZIUS
O- superior nuchal line and external occipital bone
medial margin of the ligament nuchae
spinous processes of C7 to T12 and the related supraspinous ligaments
I- superior edge of the crest of the spine of the scapula
acromion, posterior border of lateral 1/3 of clavicle
Elevates shoulder girdle
ERECTOR SPINAE
O- sacrum
I- ribs, vertebrae, cranium
extension of the spine
ANTERIOR SCALENES
O- TP of C3-C6
I- rib 1
side bend neck and elevates the rib
MIDDLE SCALENES
O- TP of C2 and C7
I- Rib 1
side bend neck and elevate the rib
POSTERIOR SCALENES
O-TP of C5-C7
I- rib 2
side bend neck ad elevates the rib
SPLENIUS CAPTIS
O- nuchal ligament and SP C7-T3
I- mastoid process
extend, rotate and laterally flex neck
STERNOCLEIDOMASTOID
O- sternum and clavicle
I- mastoid process
rotate, side bend and flex neck
LEVATOR SCAPUAE
O- C1-C4
I- superior border of scapula
elevates scapula
LAT DORSI
O: SP of T7-L5, iliac crest, 3-4 ribs, inferior angle of the scapula
I- bicipital groove of humerus
adducts, eternally rotates and extends the arm
PSOAS MAJOR
O- TP of L1-L5
I-lesser trochanter
flexes hip
RHOMBOID MAJOR
SP of C7-T1
medial scapula
elevates and retracts scapula
RHOMBOID MINOR
SP of T2-T5
medial scapula
elevates and retracts the scapula
TERES MAJOR
inferior angle of scapula
bicipital grove
internal rotation of the arm
SERRATUS ANTERIOR
ribs 1-9
anterior scapula
protracts scapula
ILIACUS
iliac fossa
lesser trochanter
PSOAS MAJOR
vertebral bodies and disc of T12-L5
lesser trochanter
hip flexion
RECTUS ABDOMINUS
pubis
costal cartilage of ribs 5-7, xiphoid process of sternum
flexion of lumbar spine
INTERCOSTALS
ribs 1-11
ribs 2-12
elevates and depresses the ribs
INTERNAL OBLIQUES
inguinal ligament, iliac crest
inferior ribs, lipoid process
rotates abdomen to the same side
EXTERNAL OBLIQUES
lower 8 ribs
iliac crest, inguinal ligament
rotates torso
QUADRATUS LUMBORUM
iliac crest
rib 12 and TP of lumbar spine
lateral flexion of vertebral column
TRANSVERSE ABDOMINUS
iliac crest, iliolumbar ligament, cartilage of lower 6 ribs
xophoid process, idea alba and pubis
compression of ribs and viscera
FLEXOR CARPI RADIALIS
medial epicondyle
base of 2nd and 3rd MET
flexion and abduction of wrist
FLEXOR CARPI ULNARIS
medial epicondyle
EXTENSOR CARPI RADIALIS BREVIS
medial epicondyle
pisiform, hamate and 5th MET
flexion and adduction of wrist
EXTENSOR CARPI RADIALIS LONGUS
lateral epicondyle
base of 3rd MET
extension of wrist
EXTENSOR CARPI ULNARIS
lateral epicondyle
base of 2nd MET
extension of wrist
PALMARIS LONGUS
medial epicondyle
palmar aponeurosis
wrist flexor
