bones used. wrists needed to move racquet. The series of movements performed in tennis is called the kinetic chain. During the backswing of the forehand groundstroke (Figure 1.5a), the gastrocnemius, soleus, quadriceps, gluteals and hip rotators contract eccentrically to load the lower legs and begin the hip rotation. The serve is very similar to the forehand stroke but relies more on the shoulders. Biomechanical Analysis of Shots and Ball Motion in Tennis and the Analogy with Handball Throws 55 Naturally, all of this occurs in one fluid motion with precise timing so that maximum energy (and momentum) transfer occurs from loading to releasing. The muscles that allow for this internal rotation of the shoulder from the racket drop position to the contact point are the Subscapularis, Latissimus Dorsi, Teres Major and>Pectoralis Major muscles. Improper technique can lead to strain in the back as well, usually resulting from an overly arched back, which can result in small tears or strains of the tissues supporting the spine (Walkerbout Health, 2007). triceps need for the backhand. Learn how to put topspin on to make the shot more efficient. Next in the link are your calves or upper legs, these muscles are the hamstring and your quads at the front of your thighs. Try switching to a two-handed backhand (if you currently use a one-handed technique) to relieve the stress on the muscles and tendons in the forearm and elbow.
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