In fact, many people are doing these "knee-injuring" exercises...

Does skipping rope to lose weight, riding a bicycle, climbing mountains, or squatting hurt your knees? Improper exercise can indeed cause serious injuries.

Wang Tiange, a rehabilitation therapist at the Chao News Qianbao Health Station and Yiwu Jiangdong Street Community Health Service Center, said that the risk of skipping rope to the knee joint is mainly related to the venue. Cement is best not to be chosen because it cannot effectively cushion the impact of the rope landing, which can easily hurt the knees over a long period of time. Plastic floors or plastic mats on cement floors are the first choice for skipping rope. When jumping, keep your feet close to avoid bending your knees too much, keep the jump height 2 to 4 centimeters, ensure that the rope just passes through the soles of your feet, and use your wrists to shake the rope, keeping your upper arms close to your torso.

If you deliberately pedal hard or adopt some wrong riding posture habits during daily riding, your knees will be damaged to a certain extent. Before riding, you should adjust the seat height to a height where you can naturally pedal after sitting down, and the pedals should be at the lowest end. When riding, keep your chest and head up, keep your knees and toes facing forward, and ride at a constant speed. Don't increase the speed suddenly. Use your thighs to exert force when pedaling, and use the front 1/3 of your foot to step on the pedal.

When you sit cross-legged for a long time, the knee joint is in a flexed state. Under the action of gravity, it will bear the force of sinking, resulting in uneven force on the inside and outside. Over time, the knee joint is prone to deformation. If you can't help but sit cross-legged, cross only one leg at a time, try to be natural and comfortable, and don't lean forward for a long time. This can reduce the damage to the knee to a certain extent.

Elderly people, overweight people and people with knee injuries should not choose mountain climbing. During mountain climbing, the knees will bear about three times the weight of their own body weight. When going downhill or stairs, the knees will bear the impact of the ground in addition to their own body weight, which will increase knee wear. Therefore, it is not recommended to use mountain climbing or stair climbing as a long-term exercise. If you have a knee injury, go upstairs with the good leg first and go downstairs with the bad leg first.