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;
18 Cards in this Set
- Front
- Back
|
External intercostals |
Elevate ribs; aids in forced inspiration |
|
|
Internal intercostals |
Lower ribs; aids in forced expiration |
|
|
Pectoralis minor |
Pulls scapula forward (protract) and inferiorly |
|
|
Serratus anterior |
Prime mover to rotates and abduct scapula; upwardly rotates arm; throwing a punch ORIGIN: Ribs 1-8 INSERTION: Scapula |
|
|
Trapezius (see muscles of head for more actions) |
Moves scapula (upper fibers can elevate, lower fibers can depress); shrugging shoulders ORIGIN: Occipital bone, cervical & thoracic vertebrae INSERTION: Scapula and clavicle |
|
|
Levator scapulae |
Elevate and adduct scapula |
|
|
Rhomboid major |
Pulls scapula backward (retraction) and medially |
|
|
Pectoralis major |
Prime mover of arm flexion at shoulder; adduct and medially rotate arm ORIGIN: Sternum, clavicle & ribs 1-6 INSERTION: Humerus |
|
|
Latissimus dorsi |
Prime mover of arm extension at shoulder; adduct and medially rotate arm ORIGIN: Thoracic & lumbar vertebrae, ribs & ilium INSERTION: Humerus |
|
|
Deltoid |
Prime mover of arm abduction (as a whole muscle); individual parts can flex, extend or rotate arm ORIGIN: Clavicle & scapula INSERTION: Humerus |
|
|
Teres major |
Arm extension at shoulder; medially rotate and adduct arm |
|
|
Coracobrachialis |
Arm flexion at shoulder & adduct arm |
|
|
Biceps brachii |
Extend elbow joint ORIGIN: Humerus INSERTION: Radius and ulna |
|
|
Brachialis |
Flex elbow joint |
|
|
Triceps brachii |
Extend elbow joint ORIGIN: Scapula & humerus INSERTION: Olecranon process |
|
|
Brachioradialis |
Synergist in elbow/ forearm flexion |
|
|
Supinator |
Supinate hand |
|
|
Pronator teres |
Pronate hand |
