Joe Muscolino

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The brachialis of the anterior arm. The coracobrachialis and cut distal end of the deltoid have been ghosted in.ATTACHMENTS:

  • The brachialis attaches from the distal half of the anterior shaft of the humerus to the ulnar tuberosity.



  • Flexes the forearm at the elbow joint.
  • Flexes the arm at the elbow joint (reverse closed-chain action).



  1. The brachialis is one of the three “B”s of elbow joint flexion. The other two are the biceps brachii and brachioradialis.
  2. Behind every great biceps brachii is a great brachialis. 🙂