"origin: transverse processes of mid to lower cervical vertebrae (C2-C7)."
"insertion: first or second ribs. The anterior and middle inserts on the first rib, whereas the posterior attaches on the second rib."
"innervation: ventral rami of cervical nerves (C3-C8)."
"origin: transverse processes of mid to lower cervical vertebrae (C2-C7)."
"innervation: ventral rami of cervical nerves (C3-C8)."
Expected headings
"Summary"