For this high-frequency common fault, running on the treadmill in the gym hurt your knee for half a month?

There are several reasons, you can refer to them.

1. The main reason may be that the running posture is not standardized, which has caused great pressure (impact) on the knees.

(Adjustment) Correct running posture:

Hold your chest high, stand in a straight line with your back, and walk evenly and moderately. The middle of the sole is light and elastic, with the hips closed and the shoulders and arms relaxed.

2. Do not rule out the possibility of old knee injury, you can choose to see a doctor for details.

3. The shock absorption and buffering effect is not ideal: this may be related to the shoes worn during running or the treadmill. (Replacing equipment)

(and the first point mentioned that the sole of the foot is not properly concentrated on the ground)

(shoes don't fit when running; The treadmill in the gym has poor shock absorption effect)

4. The problem of the amount of exercise, just start running moderately, and then slowly increase the amount of exercise when the body is adapted, don't be greedy. (rest)

5. Do not rule out other reasons

Personal opinion, I hope to help, praise and support you.

More fitness content, pay attention to it-it is not mentioned in the book;

Fitness and thinking, fun and attitude.