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Muscle Group 5

Muscles That Move the Forearm

Biceps brachii Origin: Short head - Scapula (coracoid process); Long head - Scapula (supraglenoid tubercle) Insertion: Radius (radial tuberosity) Action: Flexes forearm at elbow (synergist to brachiallis); Supinates forearm
Barchialis Origin: Humerus (anterior shaft) Insertion: Ulna (coronoid process) Action: Flexes forearm at elbow
Brachioradialis Origin: Humerus (lateral supracondylar ridge) Insertion: Radius (styloid process) Action: Flexes forearm at elbow (synergist to biceps brachii)
Triceps brachii (long, lateral, medial) Origin: Scapula (infraglenoid tubercle); Posterior proximal humerus Insertion: Ulna (olecranon process) Action: Extends forearm at elbow
Created by: michael.itonaga