Ideal

• Medial borders are parallel to spine
• Superior angle is around second rib
• Inferior angles are level
• Inferior angles are around seventh rib
• Inferior angles are same distance from spine

You See

• Inferior angle of scapula is noticeably lifted off rib cage

Likely Cause

• Scapular anterior tilt
• Winged scapula
• Short pectoralis minor
• Short pectoralis major (indirectly via humerus)
• Short serratus anterior (upper fibers)