Joint Push Pull Interactive Free =link= 🎯 Must Watch

Open a new tab. Visit phet.colorado.edu . Search for "Forces and Motions." Draw a pivot point (the joint) on a piece of paper. As you slide the force meters left and right, sketch what happens to the angle. Congratulations—you have just built a functional mental model of push-pull mechanics without spending a cent.

Hide all distractions. If you are using a full-body model, lock the shoulder and wrist. Only allow movement at the elbow or knee. joint push pull interactive free

In good simulations, you can turn off gravity. Do this first. You want to study pure muscular force without the variable of weight. Open a new tab