Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
Deltoideus muscle |
Origin: Spine and acromion of scapula Insertion: Deltoid tuberosity of humerous Action: Flex the humeral joint |
|
|
Supraspinatus muscle
|
Origin: Supraspinous fossa of scapula Insertion: Greater tubercle of the humerus Action: Extend the humeral joint; functionally serves as lateral collateral ligament of the humeral joint. |
|
|
Infaspinatus muscle |
Origin: Infraspinous fossa of scapula Insertion: Greater tubercle of humerous Action: Flex the humeral joint; functionally serves as a lateral collateral ligament of humeral joint. |
|
|
Teres minor |
Origin: Caudal border of scapula Insertion: Teres minor tuberosity of humerus Action: Flex the humeral joint. |
|
|
Subscapularis muscle |
Origin: Subscapular fossa of scapula Insertion: Lesser tubercle of humerus Action: Adduct limb at humeral joint; functionally serves as a medial collateral ligament of the humeral joint. |
|
|
Teres major muscle |
Origin: Caudal border of scapula Insertion: Teres major tuberosity of the humerous. Action: Flex the humeral joint. |
|
|
Coracobrachialis muscle |
Origin: Coracoid process of scapula Insertion: Crest of the lesser tubercle of humerous Action: Adduct limb at humeral joint; functionally serves as a medial collateral ligament of the humeral joint. |
|
|
Biceps brachii muscle |
Origin: supraglenoid tubercle of scapula. Insertion: Proximal and medial aspects of radius and ulna. Action: Flex the cubital and extend the humeral joints. |
|
|
Brachialis muscle |
Origin: Proximal part of lateral humerus. Insertion: Proximal and medial aspects of radius and ulna. Action: Flex the cubital joint |
|
|
Triceps brachii muscle |
Origin: Caudal border of scapula - long head; proximal humerus - other heads Insertion: Tuber olecrani Action: Extend the cubital joint - all heads; flex the humeral joint - long head |
|
|
Tensor fasciae antebrachii muscle |
Origin: Latissimus dorsi and fascia on caudal border of scaula. Insertion: Tuber olecrani Action: Extend the cubital joint. |
|
|
Anconeus muscle |
Origin: Caudal aspect of the distal humerus Insertion: Tuber olecrani Action: Extend the cubital joint |
|
|
Extensor carpi radialis muscle |
Origin: Lateral epicondyle of humerus and its crest Insersion: Dorsoproximal end of metacarpal bones 2 and 3. Action: Extend carpal joints; flex the cubital joint minimally. |
|
|
Common digit extensor muscle |
Origin: Lateral epicondyle of humerus Insertion: Extensor processes of the distal phalanges Action: Extend carpal and digital joints |
|
|
Lateral digital extensor muscle |
Origin: Lateral epicondyle of humerus Insertion: Distal phalanges (also proximal and/or middle phalanges - variable) or lateral digits Action: Extend the carpal and digital joints. |
|
|
Ulnaris lateralis muscle |
Origin: Lateral epicondyle of humerus Insertion: Accessory carpal bone and proximolateral aspect of the fifth metacarpal bone. Action: Flex the carpal joints; abduct the manus. |
|
|
Abductor pollicis [digiti I] longus (extensor carpi obliquus) muscle |
Origin: body of ulna Insertion: proximal metacarpal 1 Action: Extend the carpal joints; abduct the first digit (car) |
|
|
Supinator muscle |
Origin: Lateral epicondyle of humerus Insertion: Body of radius Action: Supination of the manus |
|
|
Brachioradialis muscle |
Origin: Lateral epicondyle of humerus Insertion: Fascia near the carpus Action: Flex the cubital joint and supinate the manus |
|
|
Flexor carpi radialis muscle |
Origin: Medial epicondyle of humerus Insertion: Palmaroproximal aspect of metacarpal bones 2 & 3 Action: Flex the carpal joints |
|
|
Flexor carpi ulnaris muscle |
2 Heads: Humeral and ulnar Origin: Medial epicondyle of humerus and olecranon of ulna. Insertion: Accessory carpal bone Action: Flex the carpal joints |
|
|
Superficial digital flexor muscle |
Origin: Medial epicondyle of humerus Insertion: Middle phalanges, proximopalmar aspects of digits 2-5. Action: Flex the carpal and digital joints, except the distal interphalangeal joints |
|
|
Deep digital flexor muscle |
3 Heads: Humeral, radial and ulnar Origin: Medial epicondyle of humerus, radius and ulna. Insertion: Distal phalanges, palmar aspects Action: Flex the carpal and digital joints |
|
|
Pronator quadratus muscle |
Attachment: Apposed surfaces of the radius and ulna. Action: pronation of the manus |
|
|
Interosseus (i) muscle(s) |
Origin: Proximal end of metacarpals (joint capsule) Incorportate 2 sesmoid bones, then continue to join extensor tendon on the dorsal aspect of the proximal phalanx as well as the palmar aspects of the proximal phalanx. |
