Correct posture, reasonable frequency of jumping rope generally will not hurt the knee, if long-term high intensity for jumping rope, or jumping rope jumpers overweight, may cause damage to the knee.
Commonly known as the injury to the knee mostly refers to injury to the knee joint, the lower end of the femur and the upper end of the tibia in the knee joint can buffer the knee joint force structure, such as cartilage, ligaments, etc., in the rope jumping, the contact surface of the foot to receive the stress and through the calf to the knee joint, these structures can protect the knee joint from damage.
If you are obese, the stress on the knee joint when jumping rope will increase with the increase in body weight, and the cushioning structure is not enough to offset the pressure on the knee joint, which may cause wear and tear on the knee joint, such as meniscus injuries or ligament strains.
It is recommended that obese people pay attention to the intensity and time of jumping rope, should not be excessive or long time jumping rope, jumping rope can be selected in the rubber material plane as well as cushioning effect of better shoes.