CHAPTER 15: Shoulder Joint and The Arm

Home | OG anatomy | Gross Anatomy | Topic index | Chapter 15

Scapulo Thoracic Joint

This is the connection of the scapula to the thoracic wall mainly muscular and fascial connection. The muscles are best classified according to the movements which they bring about on the scapula.

Elevation of the scapula
  • Upper part of trapezius
  • Levator scapulae
  • Rhomboideus major and minor
Depression of scapula  
  • Weight of upper limb
  • Pectoralis major,
  • latissimus dorsi, (Sternocostal head)
  • Lower part of trapezius
Retraction of the scapula  
  • Rhomboid muscles
  • Middle part of trapezius
Protraction of the scapula  
  • Pectoralis minor
  • Serratus anterior
Lateral Rotation  
  • Upper part of trapezius
  • Lower part of the trapezius
  • Lower 4 digitations of serratus anterior
Medial Rotation  
  • Pectoralis minor
  • Latissimus dorsi,
  • Sternocostal head of the pectoralis major.