Electric power grip: This grip employs the energy of larger sized hand muscles to hold or move major objects, like when you’re lifting weights or twisting open up a tight jar lid. It’s all about pressure and steadiness. Boutonniere Deformity: The MCP (metacarpophalangeal) joints and also the DIP (distal interphalangeal) joints https://www.theorthopaedicandpainpractice.com/what-are-the-different-bones-found-in-my-hand/