superficial back muscle

Origin

vertebral column

Insertion

appendicular skeleton of the upper limb or the ribs

Components:

• trapezius (innervation - spinal accessory nerve)
• latissimus dorsi
• rhomboids
• levator scapulae & thoracic muscles, all 4 innervated by ventral ramus or its derivative

More general terms

• skeletal muscle (voluntary muscle)