Muscles – Arm Complete Solution A+

Muscles – Arm Complete Solution A+ Serratus anterior - >>abducts scapula (moves forward) & down toward chest Origin: Ribs Insertion: Scapula Trapezius - >>adducts, elevates, depresses, or rotates scapula upward Insertion: Scapula & clavicle (also extends head) Pectoralis major - >>flexes, adducts, & rotates arm medially Insertion: Humerus Latissimus dorsi - >>extends, adducts, & rotates arm medially Insertion: Humerus Deltoid - >>abducts, flexes, extends, & rotates arm Origin: Clavicle & Scapula Insertion: Deltoid tuberosity of humerus Triceps brachii - >>extends forearm at elbow; extends arm at shoulder joint Insertion: Olecranon of ulna Brachioradialis - >>flexes forearm at elbow; supinates & pronates forearm Insertion: Styloid of radius Biceps brachii - >>flexes forearm at elbow; flexes arm at shoulder joint; supinates forearm Insertion: Radial tuberosity Flexor carpi radialis - >>flexes & abducts hand at wrist Origin: Medial epicondyle humerus Flexor carpi ulnaris - >>flexes & adducts hand at wrist Origin: Medial epicondyle humerus Flexor digitorum superficialis - >>flexes hand at wrist & fingers Origin: Medial epicondyle humerus Palmaris longus - > CONTINUES...