Of the hand joints, which is INCORRECT?

• A. the midcarpal joint is S shaped
• B. joint between hamate and fifth metacarpal is most mobile at four digits
• C. the first carpometacarpal joint is reinforced by the medial and palmar ligaments
• D. palmar ligaments of metacarpophalangeal joints limit extension of joint
• E. interphalangeal joints ????have to obliquely place collateral ligaments as a mechanism of tightening re flexion and extension