When the thumb and the four fingers grasp aggressively against a contact surface it is known as hand strength or grip strength. Training to develop this area is done in many postures with an assortment of implements. It is informative to know in general which body position can apply the greatest amount of power. Comparing; sitting with elbows flexed, sitting with elbows extended, standing with the arms extended and raised, researchers have found that the standing position has an advantage in force application.
Regardless of force application and position, the hand dynamometer has shown that the comparative replication of the development of one’s strength is accurate in all positions. Knowing which posture can produce the greatest amount of grasping power is important, but it is also relevant to note: If an exercise is chosen in any position seated, standing, supine or prone the result will only be positive if one progressively overloads.
The Standing Wrist Roller