Read below ⤵️ These are the specific cutaneous nerves that cover the skin in the particular areas. Don’t confuse these with Dermatomes, even though they are similar, a dermatome specifies the area covered by the spinal nerve. Cutaneous Nerves of Upper Limb: Supraclavicular Nerve (C3-C4) *Skin over the upper pectoral, deltoid and outer trapezius areas. Medial Brachial Cutaneous Nerve *from medial cord of brachial plexus, innervates medial side of the arm. Medial Antebrachial Cutaneous Nerve *From medial cord of brachial plexus, innervates medial side of the forearm. Lateral Brachial Cutaneous Nerve *From axillary nerve, innervates lateral side of the arm. Lateral antebrachial Cutaneous Nerve *From musculocutaneous nerve, innervates lateral side of the forearm. Posterior Brachial and Antebrachial Cutaneous Nerves *From radial nerve, innervates posterior sides of the arm and forearm. You know more than you think you do! Head over to our YouTube Channel & subscribe! (LINK IN BIO) @rev.med