This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Muscle forming the medial wall of axilla is: 
Select and explain. 
A. Subscapularis, B. Teres major, C. Teres minor, D. Serratus anterior
C: Teres minor
Answer: C: Teres minor 
Explanation: Claw handCaused by imbalance between strong extrinsics and deficient intrinsicsCharacterized by- MCP hyperextension- PIP and DIP flexionCauses- Ulnar nerve injuryCubital tunnel syndromeUlnar tunnel syndromeMedian nerve injuryMedian nerve injuryVolkmann's ischemic contractureLeprosy (Hansen's diseaseFailure to splint the hand in an intrinsic-plus posture following a crush injury- Charcot-Marie-Tooth disease (hereditary motor-sensory neuropathy) Compament syndrome of the hand