Flashcards
Upper Limb
Cards in this deck (66)
- 1Components of anterior wall of axillaPec major/minor, subclavius muscle, clavipectoral fascia
- 2Pectoralis MajorOrigin: Clavicle and sternum
Insertion: lateral lip of intertubercular sulcus of humerus
Action: Flexion, Adduction, Medial Rotation at glenohumeral joint
Innervation: Medial and Lateral Pectoral Nerve - 3Pectoralis MinorOrigin: 3th to 5th ribs
Insertion: Coracoid process
Action: Protraction of scapula and depression of lateral angle of scapula
Innervation: Medial Pectoral Nerve - 4Components of medial wall of axillaUpper thoracic wall (ribs and related intercostal tissues) and serratus anterior muscle
- 5Serratus anteriorOrigin: ribs I to IX
Insertion: Costal surface of medial border of the scapula
Action:
Innervation: Long thoracic nerve - 6Latissimus dorsiOrigin:
Insertion: Floor of intertubercular sulcus
Action: adduction, medial rotation and extension of arm at glenohumeral joint
Innervation: Thoracodorsal nerve - 7Teres majorOrigin: Lateral border of scapula
Insertion: Medial lip of intertubercular sulcus
Action:
Innervation: Lower subscapular nerve - 8SubscapularisOrigin: Subscapular fossa
Insertion: Lesser tubercle of humerus
Action: medial rotation of arm and extension? at glenohumeral joint
Innervation: upper and lower subscapular nerves - 9Long head of trcipes brachiiOrigin: infraglenoid tubercle on scapula
Insertion: olecranon process of ulna
Action: Extension and adduction at shoulder joint, extension at elbow joint
Innervation: Radial nerve - 10Components of posterior wall of axillaSubscapularis muscle, distal parts of latissimus dorsi and teres major, proximal part of the long head of triceps brachii
- 11Biceps brachiiOrigin: long head — supraglenoid tubercle
short head — apex of coracoid process
Insertion: radial tuberosity
Action: Flexion and supination of forearm
Innervation: musculocutaneous nerve - 12CoracobrachialisOrigin: apex of coracoid process
Insertion: medial mid-shaft of humerus
Action: Flexion and adduction at glenohumeral joint
Innervation: musculocutaneous nerve - 13Flexor compartment of the armBiceps brachii
Brachialis
Coracobrachialis - 14Extensor compartment of the armTriceps (long head, medial head, lateral head)
- 15Muscles arising from coracoid processPectoralis minor
Short head of biceps brachii
Coracobrachialis - 16Superficial muscles in flexor compartment of forearmPronator Teres
Flexor carpi radialis
Palmaris Longus
(Flexor digitorum superficialis)
Flexor carpi ulnaris - 17Deep muscles in flexor compartment of forearmFlexor digitorum profundus
Pronator quadratus
Flexor pollicis longus - 18Muscles in extensor compartment to thumb (anatomical snuff box)Abductor pollicis longus
Extensor pollicis longus
Extensor pollicis brevis - 19Muscles in extensor compartment to carpusBrachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis - 20Muscles in extensor compartment to fingersExtensor indicis
Extensor digitorum
Extensor digiti minimi - 21Muscles in extensor compartment around elbowExtensor carpi ulnaris
Anconeus
Supinator - 22Deep muscles in extensor compartmentAbductor pollicis longus
Extensor pollicis longus
Extensor pollicis brevis
Extensor indicis
Supinator - 23Thenar eminenceAbductor pollicis brevis
Flexor pollicis brevis
Oppenens pollicis - 24Hypothenar eminenceAbductor digiti minimi
Flexor digiti minimi (brevis)
Opponens digiti minimi - 25Flexor Carpi UlnarisOrigin: medial epicondyle of humerus AND olecranon and posterior border of ulna
Insertion: Pisiform and hook of hamate
Action: Flexion of wrist
Innervation: ulnar nerve - 26Palmaris LongusOrigin: Medial epicondyle of humerus
Insertion: Palmar aponeurosis
Action: Flexion of wrist
Innervation: Median nerve - 27Flexor Carpi RadialisOrigin: Medial epicondyle of humerus
Insertion: Base of 2nd and 3rd metacarpal bones
Action: Flexion and abduction of wrist
Innervation: Median nerve - 28Pronator TeresOrigin: Medial epicondyle of humerus and small region on medial edge of coronoid process of ulna
Insertion: Lateral surface of radius along midshaft
Action: Pronation of forearm
Innervation: Median nerve - 29Cubital fossaLateral border: brachioradialis
Medial border: pronator teres
Base: lateral to medial epicondyle
Contents: Brachial artery, bicipital aponeurosis, median nerve - 30Flexor digitorum superficialisOrigin: medial epicondyle of humerus and medial border of coronoid process (humeral-ulnar head) AND oblique line of radius (radial head)
Insertion: Intermediate phalange of 2nd-5th fingers
Action: Flexion of MP, PIP of 2nd-5th fingers, and flexion of wrist
Innervation: Median nerve - 31Flexor digitorum profundusOrigin: Anterior and medial surfaces of ulna and anterior medial half of interosseous membrane
Insertion: Base of distal phalange
Action: Flexion of MP, PIP, DIP and flexion of wrist
Innervation: lateral half by median nerve (anterior interosseous nerve), medial half by ulnar nerve - 32Flexor pollicis longusOrigin: Anterior surface of radius and radial half of interosseous membrane
Insertion: Base of distal phalanx of thumb
Action: Flexion of thumb
Innervation: Anterior interosseous nerve - 33Pronator QuadratusOrigin: linear ridge on distal anterior surface of ulna
Insertion: distal anterior surface of radius
Action: Pronation
Innervation: Anterior interosseous nerve - 34BrachioradialisOrigin: Proximal part of lateral supraepicondylar ridge of humerus and adjacent intermuscular septum
Insertion: Lateral surface of distal end of radius
Action: accessory flexor of elbow when forearm is midpronated
Innervation: radial nerve - 35Extensor carpi radialis longusOrigin: distal part of lateral supraepicondylar ridge and adjacent intermuscular septum
Insertion: base of 2nd metacarpal
Action: extension and abduction of wrist
Innervation: radial nerve - 36Extensor carpi radialis brevisOrigin: lateral epicondyle of humerus
Insertion: base between 2nd and 3rd metacarpals
Action: extension and abduction of the wrist
Innervation: radial nerve - 37Extensor digitorumOrigin: lateral epicondyle
Insertion: Bases of middle and distal phalanges of 2nd-5th fingers
Action: extension four fingers and wrist
Innervation: posterior interosseous nerve (radial nerve) - 38Extensor digiti minimiOrigin: Lateral epicondyle of humerus
Insertion: Extensor hood of little finger
Action: extension of little finger
Innervation: posterior interosseous nerve - 39Extensor carpi ulnarisOrigin: lateral epicondyle
Insertion: medial side of base of 5th metacarpal
Action: extension and adduction of wrist
Innervation: Posterior interosseous nerve - 40AnconeusOrigin: Lateral epicondyle
Insertion: Posterolateral surface of olecranon
Action: Abduction of ulna during pronation, extension of elbow joint
Insertion: radial nerve - 41Superficial muscles in extensor compartment of forearmBrachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris
Anconeus - 42Deep muscles in extensor compartment of forearmSupinator
Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus
Extensor indicis - 43SupinatorOrigin: Lateral epicondyle of humerus (humeral head) AND supinator crest on ulna (ulnar head)
Insertion: Lateral surface of radius
Action: Supination of forearm
Innervation: Radial nerve - 44Abductor pollicis longusOrigin: Posterior surface of radius and ulna AND interosseous membrane
Insertion: Lateral base of first metacarpal
Action: Abduction of thumb, accessory extension
Innervation: Posterior interosseous nerve - 45Extensor pollicis brevisOrigin: Posterior surface of radius AND interosseous membrane
Insertion: Base of proximal phalanx of thumb
Action: Extension of MP and CMC joints of thumb
Innervation: Posterior interosseous nerve - 46Extensor pollicis longusOrigin: Posterior surface of ulna AND interosseous membrane
Insertion: Distal phalanx of thumb
Action: Extension of all joints on thumb
Innervation: Posterior interosseous nerve - 47Extensor indicisOrigin: Posterior surface of ulna AND interosseous membrane
Insertion: Extensor hood of index finger
Action: Extension of index finger
Innervation: Posterior interosseous nerve - 48Carpal bonesScaphoid
Lunate
Triquetrum
Pisiform
Hamate
Capitate
Trapezoid
Trapezium - 491st carpometacarpal jointSaddles joint.
Allows flexion, extension, abduction, adduction, rotation and circumduction - 50Metacarpophalangeal jointsCondylar joints.
Allow flexion, extension, abduction, adduction, circumduction, limited rotation.
Reinforced by palmar ligaments and collateral ligaments. - 51Interphalangeal jointHinge joint.
Allows flexion and extension. - 52Ligament that connect palmar ligaments of metacarphalangeal joints to each otherDeep transverse metacarpal ligaments
- 53Anatomical snuffboxLateral border: Abductor pollicis longus, Extensor pollicis brevis
Medial border: Extensor pollicis longus
Floor: Scaphoid, trapezium, distal ends of tendons of extensor carpi radialis (longus & brevis)
Other structures: radial artery, superficial branch of radial nerve, cephalic vein - 54Palmaris brevisOrigin: Palmar aponeurosis
Insertion:Dermis of skin on medial margin of hand
Action: Deepens cup of palm, improves grip
Innervation: Superficial branch of ulnar nerve - 55Dorsal interosseiOrigin: adjacent sides of metacarpals
Insertion: extensor hood of base of proximal phalanges of index, middle, ring finger
Action: abduction of index, middle, ring finger at MCP joint
Innervation: Deep branch of ulnar nerve - 56Palmar interosseiOrigin: Sides of metacarpals
Insertion: extensor hoods of thumb, index, ring, little finger AND proximal phalanx of thumb
Action: adduction of thumb, index, ring, little fingers at MCP joint
Innervation: Deep branch of ulnar nerve - 57Adductor pollicisOrigin: shaft of 3rd metacarpal (transverse head), capitate and adjacent bases of 2nd and 3rd metacarpals (oblique head)
Insertion: Base of proximal phalanx and extensor hood of thumb
Action: adductor and opposition of thumb
Innervation: Deep branch of ulnar nerve - 58Opponens pollicisOrigin: Tubercle of trapezium and flexor retinaculum
Insertion: Lateral margin and palmar surface of 1st metacarpal
Action: Opposition of thumb (medial rotation)
Innervation: Recurrent branch of medial nerve - 59Abductor pollicis brevisOrigin: Tubercles of scaphoid and trapezium and flexor retinaculum
Insertion: Proximal phalanx and extensor hood of thumb
Action: abduction of thumb at MCP joint
Innervation: Recurrent branch of median nerve - 60Flexor pollicis brevisOrigin: Tubercle of trapezium and flexor retinaculum
Insertion: Proximal phalanx of thumb
Action: Flexion of thumb at MCP joint
Innervation: Recurrent branch of median nerve - 61Opponens digiti minimiOrigin: hook of hamate and flexor retinaculum
Insertion: Medial aspect of 5th metacarpal
Action: Lateral rotation of 5th metacarpal
Innervation: Deep branch of ulnar nerve - 62Why is opposition of little finger is less dramatic than that of thumb?- simple shape of 5th carpometacarpal joint (NOT saddle)
- presence of deep transverse metacarpal ligament - 63Abductor digiti minimiOrigin: pisiform, pisohamate ligament, tendon of flexor carpi ulnaris
Insertion: Proximal phalanx of little finger
Action: abduction of little finger at MCP joint
Innervation: deep branch of ulnar nerve - 64Flexor digiti minimi brevisOrigin: hook of hamate and flexor retinaculum
Insertion: proximal phalanx of little finger
Action: flexion of little finger at MCP
Innervation: deep branch of ulnar nerve - 65LumbricalsOrigin: tendon of flexor digitorum profundus
Insertion: extensor hood of digits
Action: flexion at MCP, extension at DIP and PIP
Innervation: median nerve (lateral two), ulnar nerve (medial two) - 66Description of a synovial jointArticulation between 2 or more bones connected by a fibrous capsule that encloses a synovial cavity filled with synovial fluid secreted by the lining synovial membrane.
Information
- Description
- M1 Anatomy Flashcards on Upper Limb, created by chong eleanor on 31/08/2018.
- Created by
- chong eleanor
- Views
- 1
- Rating