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Understanding Upper Arm Muscles: Origins, Insertions, and Daily Functions

This guide explores the upper arm muscles, focusing on the biceps brachii, triceps brachii, and brachioradialis. It details their origins from the scapula and humerus, along with their insertions to the radius and ulna. The primary motions include elbow flexion, supination, and extension. Common daily activities are highlighted, such as lifting bags, performing push-ups, and twisting doorknobs, illustrating the practical applications of these muscles in everyday life. Discover the importance of upper arm strength and its functions.

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Understanding Upper Arm Muscles: Origins, Insertions, and Daily Functions

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  1. UPPER ARM MUSCLES! By: Marisa H. KARISA D.

  2. Origin- Scapula 1. SupraglenoidTuberosity 2. Coracoid Process -Insertion- Radius 1. Tubercle 2. BicipitalAponeurosis -Motion-Flexion, Supination, Transverse Flexion -DailyUses- Biceps curls, Lifting shopping bags, Lifting books Biceps brachii

  3. 1.Origin- Scapula InfraglenoidTurbercleof Humerous(posterior) Superior to Radial Groove and Inferior to Radial Groove 2. Insertion- Ulna (Proximal Posterior) 1. Olecranon Process 3. Motion- Flexion, Extension, Adduction 4. DailyUses- Pushing a door to close it, Push-ups Triceps brachii

  4. Origin- Humerous 1. Lateral Condyle Insertion- Radius (Lateral Distal) 1. Styloid Process Motion- Elbow Flexion, Supination, Pronation DailyUses- Twisting(ex. Turning a corkscrew), Turning a doorknob Brachioradialis

  5. THE END

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