Disadvantages: It is easy to cause spinal injury. Many American troops canceled sit-ups in training because they were found through tests.
It can lead to back injury and pain or numbness caused by spinal cord compression.
What's bad for boys is spinal injury. Proper sit-ups involve gluteal muscles and abdominal muscles, so you need a bow.
Back, it is easy to cause spinal injury. This risk exists not only in people with poor abdominal muscle strength, but also in people who exercise regularly.
So are people. They need to do enough sit-ups in training tasks, which makes their abdominal muscles extremely tired, which may also lead to spinal injury. Except for ...
In addition to these risks, the lever force exerted by gluteal muscles will also compress the lumbar intervertebral disc.
Extended data:
For a participant who has just started to practice sit-ups and abdominal muscles, the number of sit-ups should not exceed 10.
In principle, after each sit-up, you should stand up or lie down to rest and let your abdominal muscles relax 10 minutes or more. mainly
Taking the endurance of abdominal muscles as the training goal, therefore, only by doing sit-ups slowly can we really exercise abdominal muscles.
Endurance. The muscles in the upper abdomen of human body mainly include rectus abdominis, external oblique abdominis and internal oblique abdominis. Therefore, if the action of sit-ups,
When the upper body moves in the sagittal plane, the training effect of the external oblique muscle and the internal oblique muscle will be obviously limited, only
Only by increasing the movement of the longitudinal axis of the body can we avoid the uncoordinated state of abdominal muscle training.
References:
Sit-ups-Baidu Encyclopedia