A look at the muscles at work during arm flexion and extension. Flexion activates the biceps brachii, brachialis, brachioradialis, extensor carpi radialis longus, and extensor carpi radialis brevis, while extension engages the triceps brachii and anconeus—each contributing to controlled movement. A huge thank you to everyone supporting the project by purchasing our apps, donating, or subscribing here on Instagram. Your support makes this possible! #anatomystandard #workinprogress #3danatomy #fun
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A look at the muscles at work during arm flexion and extension. Flexion activates the biceps brachii, brachialis, brachioradialis, extensor carpi radialis longus, and extensor carpi radialis brevis, while extension engages the triceps brachii and anconeus—each contributing to controlled movement. A huge thank you to everyone supporting the project by purchasing our apps, donating, or subscribing here on Instagram. Your support makes this possible! #anatomystandard #workinprogress #3danatomy #fun
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The biceps brachii, commonly called the bicep, is a large muscle located on the front of the upper arm. It plays a key role in flexing the elbow (bending the arm) and rotating the forearm. Anatomy of the Bicep The biceps have two heads: 1. Long Head – Runs along the outside of the upper arm and attaches to the shoulder. 2. Short Head – Runs along the inside of the upper arm and also connects to the shoulder. Functions of the Bicep • Elbow Flexion – Helps bend the arm at the elbow. • Forearm Supi
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