Eccentric exercises are recognised to generally be successful in rehabilitation. This specific physical exercise employs a body weight to reinforce the wrist and forearm muscles by lifting the hand with the other hand, then slowly but surely letting it down, which may be especially beneficial for people with tennis elbow. https://www.theorthopaedicandpainpractice.com/how-to-alleviate-tennis-elbow-pain-tips-from-a-medical-expert/