Anatomy
·Upper Limb
Pectoral & Scapular (Axio-appendicular) Muscles
⭐ PREMIUM
These muscles connect the trunk to the pectoral girdle/humerus and position the scapula. Their nerve supplies and actions on the scapula are classic exam material.
ANTERIOR AXIO-APPENDICULAR
• Pectoralis major (medial + lateral pectoral nn.): adducts and medially rotates the arm; clavicular head flexes.
• Pectoralis minor (medial pectoral n.): protracts/depresses the scapula; landmark for the 2…
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