Stretcher chest enlargement: specific exercise action: lie on your back on the inclined plate, hold the stretcher with both hands, palms inward, and then pull it upward in the direction of hip joint at a constant speed until your hands touch. During the whole movement, the elbow joint needs to be slightly bent. The contraction force using the tensioner slowly recovers and starts again. Adhere to the exercise effect: this action is mainly to exercise and develop pectoralis major.
Dumbbell chest enlargement: specific movement: lie on your back on the practice stool, hold the dumbbell with both hands, and lift your feet or put them on the ground. Put down the dumbbell slowly at the beginning of the exercise, and then lift the dumbbell with the strength of pectoralis major contraction. During the whole exercise, keep your palms up, your elbows slightly flexed and abduction, and your upper arms straight and perpendicular to your body. Every time you put down the dumbbell, be thorough. Insist on the effect of exercise: this action can mainly exercise and develop the middle muscle of pectoralis major.
Abdominal muscles?
Sit on your back and abdomen: exercise the upper part of our rectus abdominis. First lie on your back with your feet shoulder width, then lift your legs, keep your calves and thighs at a 90-degree angle, and then cross your hands over your shoulders. When exhaling, lift your head and shoulder blades off the ground and exhale.
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Sit-ups: exercise the internal and external oblique muscles. The steps are the same as before sit-ups. When exhaling, the head and shoulder blades are lifted off the ground, while the right shoulder turns to the left knee position. But don't push too hard and don't be stiff.
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Reverse abdominal roll: exercise the lower part of rectus abdominis, lie on your back first, put your hands flat on your sides, and make your knees perpendicular to your pelvis when you lift your feet together. Roll forward and lift off the ground, so that the lower part of the lumbar spine can be lifted off the ground, but not too high, otherwise it will hurt the lumbar spine.
You can see the effect in January, but it takes some time to form pieces of muscle. I wish you success!