Cranial pa of accessory nerve supplies
Sternocleidomastoid and trapezius develop from branchial arch mesoderm and are supplied by spinal pa of the accessory nerve. Levator scapulae are supplied by a branch from dorsal scapular nerve and branches from C3, C4. BD Chaurasia 7th edition Page no: 65
Sternocleidomastoid
Trapezius
Levator scapulae
Levator palatini
Upper limb