Some would be the..
elbow, hips, toes,foot, hands,neck, fingers,ankles,shoulder, wrist etc.
And In anatomy terms
Phalanges, Hunerus, cerivcal, metacarpals, radius, tarsals, femur, tibula,fibula
All muscles are used, especially arm, shoulder, neck and back muscles, as well as abdominal muscles, and leg muscles.
Almost all of your joints are used in tennis, but the main ones in a tennis serve are the knee joints, and elbow joints.
All of them. Pretty much any sport out side of chess uses your whole body
True.
Shoulder wrist thighs knees abs ankles arms
Probably a tennis court. Alot of schools play it in their gym, so you might want to find a similar surface. To protect your joints, where the proper padding!
gravel ?
I have learned that graphite is used in the handle of the racket and that's why someimes you find black marks on your hand after playing for a while.
You could be playing four square, or, perhaps tennis or basketball. However, you could say the courts used for tennis and basketball are rectangles.
When playing tennis, the arm is used as a 3rd class lever. Also, you can research how the human body reacts to such strenuous sporting activity.
Dinara Safina and Amelie Mauresmo
Temporary joints are used to hold objects together while building but are later removed once the project is stable.
Forearm muscles, biceps, deltoids, abdominal muscles, and obliques.