by Paul Nicholson | Jul 19, 2021 | 6) Risk Reduction and Safety
A Look at the Science The force on the shoulders is: Far below comfort thresholds we have measured in lab (Yandell et al. 2020), Far below forces that damage skin or other biological tissues, and Below recommended guidelines for shoulder loads from backpacks. A...
by Paul Nicholson | Jul 19, 2021 | 6) Risk Reduction and Safety
Compare the Force to Sitting in a Chair The forces on the butt/backside are very small relative to the forces felt during sitting. To provide quick, demonstrative estimate: Even if someone did 2,000 lifts per day (assuming peak forces of 200 N and 3 seconds per lift),...
