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Ball The muscle groups used by Slam are the same as standard crunch. When you lift your hands over, they extend to your hip joint, and when you hit them, the hip joint is in a flexed position.
But the difference is that this situation is "explosive action", which involves the hip joint, back and shoulders. After working for a day, this is a great action to relieve stress.
Catch the ball with both hands, feet shoulder-width, knees and elbows slightly bent. Hold the ball and raise your hands high. , and then hit the ground in front of the body. Then, pick up the ball and repeat it. If you want to increase the intensity of the movement, choose a heavier medicine ball.
Check out the video!
In the equipment, you can choose hard medicine balls, soft medicine balls, sandbags, etc. It is recommended to be equipment that is resistant to smashing and not elastic. Otherwise, the rebound may hurt yourself, or it may bounce randomly and damage things.
(Note: Follow the WeChat public platform of the fitness bar, subscribe to the account to search "Fitness Bar Network" or "Click to scan and follow")
Extended reading
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