Bennet's Fracture involves
Fracture of the base of the first metacarpal is called Bennett&;s fracture.It involves the anterior pa of the base, and is caused by a force along its long axis. The thumb is forced into a semiflexed position and cannot be opposed. The fist cannot be clenchedReference: Vishram Singh Anatomy; 2nd edition; Page no: 32
Base of Ist metacarpal
Neck of Ist metacarpal
Base of Vth metacarpal
Neck of Vth metacarpal
Upper limb