The role of ice after joint mobility training

The core function of ice application after joint activity training is to control acute soft tissue micro-inflammation induced by training, reduce local exudation and swelling, quickly relieve pain, and at the same time reduce the degree of delayed soreness within 24-72 hours. However, it is only applicable to specific training scenarios and is not a must-do process after all joint training. There have always been different views on its applicable boundaries in the industry.

Last week, I helped a patient who had undergone anterior fork surgery 3 months ago to improve the range of motion of his knee joint. When the knee was bent to 120 degrees, his entire knee was red and hot, and the sweat on his forehead dripped down his chin. I applied an ice pack wrapped in two layers of gauze to him for 12 minutes on the spot. When he got up, he said that the pain was reduced by more than half. There was no obvious swelling during the follow-up visit the next day, and the progress was much faster than the previous times without ice.

Think about it, when we do joint mobility training, whether it is static stretching, joint loosening, or dynamic range of motion before explosive training, as long as we touch the limit of our own angle, the surrounding joint capsules, tendons, and attached muscle fibers will suffer very slight stretch damage, local capillaries will expand, and tissue fluid will seep into the intercellular space, which is what we often call "swelling." Swelling not only hurts, but also compresses the surrounding nerve endings, and even limits the range of motion of the joint. Ice application uses local cooling to shrink the dilated blood vessels, reduce the leakage of tissue fluid, and at the same time reduce the sensitivity of the nerve endings. The pain and swelling problems will naturally be alleviated.

But don’t get too excited about ice compresses. The rehabilitation community has actually been arguing about this issue for many years. I have seen many coaches who advocate "natural repair" and firmly oppose ice application after training, saying that ice application will interrupt the body's own inflammation repair process and will instead slow down the adaptation speed of soft tissues. This statement is actually not unreasonable. I used to teach an amateur yoga teacher. She practiced hip and shoulder opening on a regular basis, which was not very intense. She used to apply ice after every practice. As a result, after practicing for three months, the hip mobility was stuck at 130 degrees. Later, she listened to my suggestion and stopped icing. After the practice, she only had slight soreness and let her body metabolize it. Within two months, she reached an angle of 140 degrees.

To put it bluntly, the core depends on your training purpose and body reaction that day: If you are pushing extreme angles today, such as a gymnast's shoulder opening before a competition, a leg breaking angle during recovery after surgery, or a novice who is new to powerlifting after practicing wrist opening, and the joints are red, swollen and painful, and the temperature is obviously higher than other places to the touch, then don't hesitate and apply it quickly； If you just do 10 minutes of cervical spine activity before going to work and regular dynamic stretching before daily training, and you only feel a little sore after the exercise, there is no need to do anything extra. The body's own repair ability is enough to cope with this slight damage. On the contrary, it can allow the soft tissues to slowly adapt to the stretching intensity, and the range of motion will improve faster in the long run.

Oh, by the way, many people use ice application methods very wrongly. Last month I met a young man who tied an ice pack to his ankle and applied it for 40 minutes after practicing ankle joint mobility. In the end, the local frostbite turned red and the pain lasted for a week. The correct ice compress posture is really not that complicated: the ice pack must be wrapped with a thin towel or gauze, do not stick it directly to the skin, and the temperature should be controlled at 10 to 15 degrees. The best effect is to apply it within 10 minutes after practice, 10 to 15 minutes each time, and no more than 20 minutes at most. Over time, it will cause reflex expansion of blood vessels and make the swelling worse.

I have been doing rehabilitation for five or six years. When I recommend ice compresses to people, I never stick to the same standard. I always feel the temperature of the local joint first, ask them about the pain, and then recommend it if it is suitable. After all, whether it is ice or other rehabilitation methods, the essence is to help you better achieve your training goals, rather than treating it as an iron rule that you must abide by, right?