Functional Anatomy - Arm (Detailed) Flashcards
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
BICEPS BRACHII
ORIGIN
Short head: Corocoid process; Long head: Tubercle above glenoid cavity on the humerus
INSERTION
Radial tuberosity of the radius
ISOLATED FUNCTION
Concentric Action
Elbow flexion, supination of the radioulnar joint, shoulder flexion
INTEGRATED FUNCTION
Eccentric Action
Elbow extension, pronation of the radioulnar joint, shoulder extension
Isometric Action
Stabilizes the elbow and shoulder girdle
INNERVATION
Musculocutaneous nerve
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
TRICEPS BRACHII
ORIGIN
Long head: Infraglenoid tubercle of the scapula; Short head: Posterior humerus; Medial head: posterior humerus
INSERTION
Olecranon process of the ulna
ISOLATED FUNCTION
Concentric Action
Elbow extension, shoulder extension
INTEGRATED FUNCTION
Eccentric Action
Elbow flexion, shoulder flexion
Isometric Action
Stabilizes the elbow and shoulder girdle
INNERVATION
Radial nerve
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
BRACHIALIS
ORIGIN
Humerus
INSERTION
Coronoid process of ulna
ISOLATED FUNCTION
Concentric Action
Flexes elbow
INTEGRATED FUNCTION
Eccentric Action
Elbow extension
Isometric Action
Stabilizes the elbow
INNERVATION
Musculocutaneous, radial nerve
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
ANCONEUS
ORIGIN
Lateral epicondyle of humerus
INSERTION
Olecranon process, posterior ulna
ISOLATED FUNCTION
Concentric Action
Extends elbow
INTEGRATED FUNCTION
Eccentric Action
Elbow flexion
Isometric Action
Stabilizes the elbow
INNERVATION
Radial nerve
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
BRACHIORADIALIS
ORIGIN
Humerus
INSERTION
Coronoid process of ulna
ISOLATED FUNCTION
Concentric Action
Flexes elbow
INTEGRATED FUNCTION
Eccentric Action
Elbow extension
Isometric Action
Stabilizes the elbow
INNERVATION
Musculocutaneous, radial nerve
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
PRONATOR QUADRATUS
ORIGIN
Distal ulna
INSERTION
Distal radius
ISOLATED FUNCTION
Concentric Action
Pronates forearm
INTEGRATED FUNCTION
Eccentric Action
Forearm supination
Isometric Action
Stabilizes distal radioulnar joint
INNERVATION
Anterior interosseus nerve
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
PRONATOR TERES
ORIGIN
Medial epicondyle of humerus, coronoid process of ulna
INSERTION
Radius
ISOLATED FUNCTION
Concentric Action
Pronates forearm
INTEGRATED FUNCTION
Eccentric Action
Forearm supination
Isometric Action
Stabilizes proximal radioulnar joint and elbow
INNERVATION
Median nerve
State the origin, insertion, isometric, concentric and eccentric functions for the muscle in yellow:
SUPINATOR
ORIGIN
Lateral epicondyle of humerus
INSERTION
Radius
ISOLATED FUNCTION
Concentric Action
Supinates forearm
INTEGRATED FUNCTION
Eccentric Action
Forearm pronation
Isometric Action
Stabilizes proximal radioulnar joint and elbow
INNERVATION
Radial nerve
