Upper Limb Flashcards
Supraspinatus origin, insertion, innervation, movement?
Scapula (supraspinatus fossa)
Sup- greater tubercle
Suprascapular nerve (upper trunk BP C5&C6)
Abduction & Stabilization
Infraspinatus origin, insertion, innervation, movement?
Scapula (infraspinatus fossa)
Post/sup - greater tubercle
Suprascapular nerve (upper trunk BP C5&C6)
Lateral rotation & Stabilization
Teres Minor origin, insertion, innervation, movement?
Lateral margin scapula
Post - greater tubercle
Auxiliary nerve (posterior cord C5&C6)
Lateral rotation & Stabilization
Subscapularis origin, insertion, innervation, movement?
Scapula (subscapular fossa)
Lesser tubercle
Subscapular nerve (upper and lower, posterior cord BP C5&C6)
Medial rotation & Stabilization
Deltoid origin, insertion, innervation, movement?
Clavicle, Acromion process and scapular spine
Deltoid tuberosity
Axillary
Flexes and extends shoulder. Abducts medially and laterally rotates arm.
Serratus Anterior origin, insertion, innervation, movement?
First to 8th/9th ribs
Medial border of scapula
Long thoracic (root C5,6,7)
Rotates and retracts scapula, elevates ribs
Teres Major origin, insertion, innervation, movement?
Lateral border of scapula
Medial crest of intertubercular grove
Subscapular nerve (lower, posterior cord BP C5&C6)
Extends shoulder, abducts and medially rotates arm.
Pectoralis major origin, insertion, innervation, movement?
Clavicle, sternum, superior 6 costal cartilages, abdominal aponeurosis
Lateral crest of intertubercular groove
Medial and lateral pectoral nerve (medial and later cords)
Flexes shoulder, adducts and medially rotates arm, extends shoulder from flexed position
Pectoralis Minor origin, insertion, innervation, movement?
3rd to 5th ribs
Coracoid process of scapula
Medial pectoral (medial cord)
Depresses scapula / retracts shoulder
Bicep Brachii origin, insertion, innervation, movement?
Short - coracoid process
Long - supraglenoid tubercle
Radial tuberosity of radius
Deep fascia of forearm
Musculocutaneous (C5/C6)
Flexion of elbow/ weak flexor or shoulder
Coracobrachialis origin, insertion, innervation, movement?
Coracoid process
Anteromedial humeral shaft
Musculocutaneous (C5/C6)
Adducts/flexes shoulder
Brachialis origin, insertion, innervation, movement?
Distal half anterior humerus
Coronoid process of ulna/ tuberosity of ulna
Musculocutaneous (C5/C6)
Flexion of elbow
Triceps Brachii origin, insertion, innervation, movement?
Long - infraglenoid tubercle
Medial- posterior humerus inf. Radial groove
Lateral - posterior humerus sup. Radial groove
Olecranon of ulna/ fascia of forearm
Radial (C6-C8)
Extension of elbow / Extension and adduction of shoulder
Pronator Teres origin, insertion, innervation, movement?
Medial epicondyle of hum & coronoid process of ulna
Radius
Median
Pronates forearm/Hand
Anterior Superficial
Flexor Carpi Radialis origin, insertion, innervation, movement?
Medial epicondyle of hum
2nd/3rd metacarpal bones
Median
Flex/Abduct wrist
Palmaris longus origin, insertion, innervation, movement?
Medial epicondyle of hum
Palmar fascia
Median
Flex wrist/ tense palmar fascia
Flexor carpi ulnaris origin, insertion, innervation, movement?
Medial epicondyle of hum and uln
Pisiform, hamate and 5th metacarpal bones
Ulnar
Flex/Adduct wrist
Flexor digitorum superficialis origin, insertion, innervation, movement?
Medial epicondyle of hum & coronoid process of ulna, radius
Proximal phalanges digits 2-5
Median
Flex interphalangeal and wrist
Extensor carpi brevis origin, insertion, innervation, movement?
Lateral epicondyle of hum
Base 3rd metacarpal bone
Radial
Extend/ abduct wrist
Extensor digitorum origin, insertion, innervation, movement?
Lateral epicondyle of hum
Extensor tendon expansion over phalanges of digits 2-5
Radial
Extends wrist/fingers
Extensor digiti minimi origin, insertion, innervation, movement?
Lateral epicondyle of hum
Extensor tendon expansion over phalanges of digit 5
Radial
Extends digit 5 and wrist
Extensor carpi ulnaris origin, insertion, innervation, movement?
Lateral epicondyle of hum and ulna
Base of 5th metacarpal bone
Radial
Extend/ adduct wrist
Brachioradialis origin, insertion, innervation, movement?
Lateral supracondylar ridge of hum
Styloid process of radius
Radial - before PIN
Flexes elbow
Extensor carpi radialis longus origin, insertion, innervation, movement?
Lateral supracondylar ridge of hum
Base of 2nd metacarpal bone
Radial - before PIN
Extends/abducts wrist
Anconeus origin, insertion, innervation, movement?
Lateral epicondyle of humerus
Lateral surface of olecranon (ulna)
Radial
Extension/stabilisation of elbow/pronation
Flexor pollicis longus origin, insertion, innervation, movement?
Ulna
Distal phalanx of thumb
Median
Flexes thumb
Flexor digitorum profundus origin, insertion, innervation, movement?
Ulna
Distal phalanges digits 2-5
Ulnar (digits 2-3)
Median (digits 4-5)
Flexes fingers at metacarpophalangeal and wrist
Pronator quadratus origin, insertion, innervation, movement?
Distal Ulna
Distal radius
Median
Pronates forearm
Extensor indictis origin, insertion, innervation, movement?
Ulna
Extensor tendon expansion over digit 2
Radial
Extends digit 2 and wrist
Extensor pollici longus origin, insertion, innervation, movement?
Ulna
Distal phalanx of thumb
Radial
Extends thumb
Extensor pollicis brevis origin, insertion, innervation, movement?
Radius
Proximal phalanx of thumb
Radial
Extends and abducts thumb, abducts wrist
Abductor pollicis longus origin, insertion, innervation, movement?
Posterior ulna/radius/interosseous membrane
Base of 1st metacarpal bone
Radial
Abducts and extends thumb, abducts wrist
Abductor digiti minimi origin, insertion, innervation, movement?
Pisoform
Medial prox. phalanx, ext. exp digit 5
Ulnar
MP - abduction and flexion
IP - extension
Flexor digiti minimi origin, insertion, innervation, movement?
Hamate, flexor retinaculum
Prox. phalanx digit 5
Ulnar
MP - flexion
Opponens digiti minimi origin, insertion, innervation, movement?
Hamate, flexor retinaculum
Medial metacarpal bone 5
Ulnar
CM - flexion / lateral rotation / opposition
Abductor policis brevis origin, insertion, innervation, movement?
Scaphoid and trapezium
Lateral proximal phalanx 1
Median
CM - abduction
Flexor policis brevis origin, insertion, innervation, movement?
Superficial head - trapezium / flexor retinaculum
Deep head - trapezoid / capitate
Lateral proximal phalanx 1
Median
CM - flexion
MP - flexion
Opponens policis origin, insertion, innervation, movement?
Trapezium / flexor retinaculum
Medial metacarpal 1
Median
CM - opposition
Lumbricals (4) origin, insertion, innervation, movement?
Tendons of FDP
Extensor expansion tendons (digits 2-5)
Median/Ulnar
Flex Metacarpal/phalangeal joint
Ext. Interphalangeal joints
PalmarInterossei (3) origin, insertion, innervation, movement?
Middle finger side of metacarpals 2,4,5
Phalanges 2,4,5 and ext. exp.
Ulnar
Adduct & flex MP, ext. IP
PAD - Palmar adduct
Dorsal Interossei (4) origin, insertion, innervation, movement?
Arise from adjacent metacarpals
Phalanges 2-4 and ext. exp.
Ulnar
Abduct & flex MP, ext. IP
DAB - dorsal abduct
