(1) interphalangeal joints, metacarpophalangeal joints and muscles:
Hand ball: Hold two fitness balls or walnuts in your hand, move your fingers to make them roll or exchange the positions of the two balls. Choose a fitness ball that suits your palm and weight. Too big, too small or too heavy is bad for your opponent and wrist. At first, you can put your wrist flat on the sofa armrest, table, etc. Relieve the pressure and burden on the wrist. Exercise finger joints, metacarpophalangeal joints and hand muscles.
Rehabilitation rubber ring: it can exercise finger joints, metacarpophalangeal joints and muscles.
Hold your fist and extend your palm: hold your fist, then straighten your palm and fingers, alternately.
(2) Wrist joint: put your hands together, bend and rotate to both sides repeatedly and alternately, or move your wrist up and down, left and right to increase the flexibility of your wrist joint.
(3) Elbow: palms up, arms raised horizontally forward, fists bent, efforts to make fists reach shoulders, and then palms and elbows extended. Start slowly and accelerate gradually.
(4) Shoulder joint: Move the shoulder joint forward, backward, left and right up and down, and do circular motion.
(5) Ankle: When sitting or lying flat, your feet rotate up and down, left and right, and gradually stand, standing on one leg, and the toes on the other side touch the ground and rotate.
(6) Knee joint: Knee joint and lower limb muscles can be exercised by vertical and parallel interaction between the calf and the ground when squatting, standing and sitting.
Cycling is a good exercise, which can exercise the whole lower limb joint. Patients with mild illness and conditions permit can often exercise like this. But be careful not to ride for too long at a time, which will lead to fatigue of shoulder, elbow and wrist joints.