Full analysis of standard sit-ups posture

　　Sit-ups are a common fitness exercise, but many people do it in non-standard postures, which not only has poor results but may also lead to sports injuries. The following is a detailed introduction to the key points of the standard posture of sit-ups.

ready posture

　　Neutral spinal position and pelvic immobilization: Lie flat on the ground, keeping your spine in a neutral position and avoiding excessive flexion or extension. At the same time, after fixing the pelvis, you can put your feet on the ground and bend your knees slightly to stabilize the pelvis and lay the foundation for subsequent movements.

　　Chin slightly retracted and cervical vertebra protection: Slightly retract your chin, as if holding a ping pong ball between your chin and neck. This can reduce the pressure on the cervical spine and protect it from damage during the movement.

　　Hand position: You can cross your hands on your chest, or you can gently hold your head, but do not pull the head hard to avoid causing additional pressure on the cervical spine.

　　foot immobilization: Place your feet shoulder-width apart and plant them firmly on the ground to ensure your feet are secure and provide stable support for your body.

action process

　　Rectus abdominis activation and force sequence: When starting to sit up, first activate the rectus abdominis, feel the abdominal muscles contract and exert force, and slowly lift the upper body. The force sequence should start from the abdomen, rather than relying on the strength of the arms or neck.

　　breathing rhythm: Exhale when sitting up to expel the air, increase intra-abdominal pressure, and help the abdominal muscles work better； Breathe in as you come down, allowing your body to relax. Maintaining an even breathing rhythm will help improve the stability of your movements.

　　Range of motion and sitting angle: When sitting up, the angle at which the upper body is raised should not be too large or too small, generally about 45 degrees to the ground. The range of motion should be moderate and avoid excessive stretching or contraction to avoid damage to the waist and abdomen.

　　Waist contact with the ground and lumbar curvature: During the entire movement, keep the waist close to the ground, maintain normal lumbar curvature, avoid hanging or excessive bending of the waist, and reduce intervertebral disc pressure.

motion control

　　centrifugal control: When falling, control it slowly, feel the stretching and elongation of the abdominal muscles, and perform eccentric contraction, so that you can better exercise Abdominal muscles, improve muscle strength and endurance.

　　Core Stability and Scapular Stability: As you rise and fall, keep your core stable and allow the muscles of your abdomen, back, and buttocks to work together. At the same time, pay attention to the stability of the shoulder blades and avoid shrugging or excessive shaking to ensure the accuracy and stability of the movement.

　　Correct sit-up posture can effectively exercise abdominal muscles, improve core stability, and reduce the risk of sports injuries. By following the following standard posture points, you can make your sit-ups more scientific and effective.