CHEST

Chest
- Breathing
  - RIBS
    - Elevation of ribs
      - fixed neck
        
        first rib
        
        scalenus anterior , scalenus medius
        
        second rib
        
        scalenus posterior
        
        expiration
        
        innermost intercostal
        
        elevation and inspiration
        
        levator costarum , serratus posterior superior
    - Inhalation
      - external intercostal
    - fixes rib
      - internal intercostal
      - 12 th rib
        
        quadratus lumborum
    - ribs depression
      - transversus thoracis , serratus posterior inferior
  - scapula
    - Elevation
      - Levator scapula ,
      - retraction
        
        trapezius
    - Retraction
      - Rhomboideus
        
        major and minor
    - pulling
      - anteriorly
        
        pectoralis major
      - anteriorly and inferiorly
        
        pectoralis minor
    - protraction and stabilization
      - serratus anterior
  - clavicle
    - depression
      - subclavius
  - compression of abdomen
    - rectus abdominis , external oblique , internal oblique, transversus abdominis