Power Grip, Pinch Grip, Precision Grip, Ball Grip, Hook Grip, Finger Abduction, Finger Adduction, and Key Grip are some of the terms that anatomists give to how we grasp objects. Each hand position affects the extrinsic and intrinsic musculature of the fingers and hands differently . By having your athletes pick a different grip device from the grip cart each workout assures that you maximize hand strength.