The nerve that innervates the anterior muscles of the arm and provides cutaneous sensory innervation to part of the forearm is the nerve.

The nerve that innervates the anterior muscles of the arm and provides cutaneous sensory innervation to part of the forearm is the musculocutaneous nerve. This nerve is an important component of the brachial plexus and primarily innervates the biceps brachii, brachialis, and coracobrachialis muscles. Additionally, it continues as the lateral cutaneous nerve of the forearm, supplying sensation to the skin of the lateral aspect of the forearm. Understanding this nerve's function is crucial in clinical settings, particularly when assessing motor and sensory deficits in the upper limb.