Many musicians complain of back and shoulder pain. Regular stretching will ease pain in the shoulder and back, increase flexibility and prevent repetitive strain injury.
Many musicians complain of numbness and pain in the hand, forearm and arm. They can prevent repetitive strain injury, ease pain and tension by stretching regularly.
Doing regular neck and face stretching exercises improves musician health, leading to increased flexibility, dexterity, coordination and blood circulation.
The Types, Causes and Prevention of Music-Related Injuries: Musicians are prone to injury from repeating a motion countless times when practicing. A better understanding of music injuries is vital for musicians' health.
This finger exercise is one I learned at one of my early piano lessons, many moons ago. It's a hand exercise to strengthen those musical fingers, especially our very weak finger #4.