Here is a fully automatic weight lifting machine that can help you with heavy cargo. It is based on a car wiper's motor and modified with an rc controller. As a result, we get a simple but ...

In this free teacher resource for primary science, presenters Mwaksy and Greg design and make mechanisms that use levers to allow a smaller force to have a greater effect.

A biomechanical model of a simple lifting motion is presented in which the forces and moments of force acting about the L4-L5 vertebral articulation were determined from kinetic and kinematic data.

Perform these 5 exercises before heavy lifting workouts to strengthen your shoulders and prevent ... the shoulder looks like a simple joint —but it’s actually one of the most complicated ...

I Didn’t Like Lifting Until I Tried These Simple Tricks. My gym routine may not be the best for building muscle, but it’s helped me build a habit. Share full article. 193.