Muscles upper limb Flashcards
Orgin, Insertion, movement and innervation
Deltoid
Orgin: Clavicular part, spinous part, acromial part
Insertion: Deltoid tuberosity
Movement: Antiflexion, retroflexion, abduction, internal and external rotation
N: Axillary nerve
Supraspinatus
O: Supraspinous fossa
I: Greater tubercle
M: Abduction, external rotation and stabilization
I: Suprascapular nerve
Infraspinatus
O: Infraspinous fossa
I: Greater tubercle
M: Abduction, external rotation and stabilization
N: Suprascapular nerve
Teres minor
O: Lateral border of scapula
I: Greater tubercle
M: External rot, abduction
I: Axillary nerve
Subscapularis
O: Subscapular fossa
I: Lesser tubercle
M: Main stabilisator, adduction internal rot
N: Subscapular nerve
Teres Major
O: Scapula
I: lesser tubercle
M: Abbduction, Internal rot
N: sub scapular nerve
Pectoralis major
O: Clavicle, sternum, 2-6 ribs, rectus sheet
I: Greater tubercle
M: Int. rot, anteflexion and adduction
N: Medial and lateral pectoral nerves
Pectoralis minor
O: 3-5 rib
I: coracoid process
M: Depression, protraction
N: Pectoral nerves
Serratus anterior
O: 1-9 ribs
I: Medial border of scapula
M: Elevation of the shoulder
N: Long thorasic
Subclavius
O: 1st rib,
I: clavicle
M: Stabilize the clavicle
N: Subclavian nerve
Lattisimus dorsi
O: T7-T12, 9-12 ribs, thoracolumbar fascia + iliac crest
Biceps brachii short head
O: Coracoid process
I: Radial tuberosity
M: elbow flexion, main supinator of the arm,
N: Musculocutaneous nerve
Biceps brachii long head
O: Supragleoid tubercle
I: Radial tuberosity
M: Main supinator, flexion of the elbow joint
N: Musculocutaneous nerve
Brachialis
O: Distal humerus
I: Conoid process and tuberosity of ulna
M: Main flexor of the arm
N: Musculocutaneous nerve
Triceps brachii long head
O: Infraglenoid tubercle
I: Olecranon of ulna
M: Extension of the arm
N: Radial nerve
Triceps brachii medial head
O: Posterior surface of humerus, inferior to the radial groove
I: Olecranon of ulna
M: Extension of the arm
N: Radial nerve
Triceps brachii lateral head
O: Posterior surface of humerus, superior to the radial groove
I: Olecranon of ulna
M: Extension of the arm
N: Radial nerve
Coracobracialis
O: Coracoid process of scapula
I: Humerus
M: Flexion and adduction of the shoulder
N: Musculocutaneous nerve
Pronator teres
O: CFO (Medial epicondyle)
I: Pranator tuberosity of radius
M: Pronation and weak flexion
N: Median nerve
Flexor carpi radialis
O: CFO
I: 2. metacarpal bone
M: Flexion at the wrist joint and radial duction
N: Median nerve
Palmaris longus
O: CFO
I: Palmar aponeurosis
M: Flexion in the wrist joint
N: Median nerve
Flexor digitorum superficialis
O: CFO
I: Middel phalang of 2-5 finger
M: Flexion in the Interphalangeal joint, MCF joint and wrist joint.
N: Median nerve
Flexor digitorum profundus
O: Ulna and the interosseus membrane
I: Distal phalang of 2-5 th finger
M: Flexion in the IPJ
N: Median nerve and ulnar nerve (2 tendons each)
Flexor carpi ulnaris
O: CFO + Olecranon (Ulna)
I: 5th meta carpal bone, psiform, hook of hamate
M: flexion and ulnar duction (wrist joint)
N: Ulnar nerve
Flexor pollisis longus
O: Radius and the interosseus membrane
I: Distal phalanx of the 1st finger
M: Flexion in the wrist nd IPJ, and opposition in the CMC J in the 1st finger.
N: Median nerve
Pronator quadratus
O: Ulna
I: Radius
M: Pronation
N: Median nerve
Brachioradialis
O: Lateral supracondylar crest of humerus
I: The styloid process of radius
M: Elbow j, flexion and forearm: semipronation
N: Radial nerve
