Answer:
1. Neck and Shoulder
2.arms and the back
3.A comfortable place to work
4.The study of people's efficiency in their working environment
5.A poor posture, Vibration, using too much force, frequent lifting
Is this written out correctly?
The deltoid and the triceps
to improve strength in deltoid u can do a seated dumbbell shoulder press
and to improve strength in triceps do reverse cable tricep extensions
