If untreated the bone can actually break, which can be a severe injury.Ĭartilage also needs stress applied very gradually. This may result in a limp and even pain at night. As the situation worsens, a stress fracture can develop. The first sign of this stress reaction is pain along the bone, which occurs with activity. However, if the area of bone sees stress too fast, the bone will actually begin to fail. This response is called remodeling and strengthens the bone. When bones see increased amount of stress, such as an increase in running when preparing for a marathon, they respond by putting more bone in the areas of the bone that are seeing more stress. The bones likewise need time to respond to new stress. In more severe cases the tendon may become swollen and any movement of the tendon or knee joint can hurt. The pain is made worse with these activities, but the pain may continue after sports activity when climbing stairs or getting out of a chair. For example, tendinitis of the kneecap tendon (patellar tendon) is frequently seen in athletes who do jumping or squatting activities. Tendinitis pain typically occurs during exercise and can continue afterward when performing activities using that muscle or tendon. They respond by getting inflamed, which is characterized by pain and sometimes swelling. In a similar fashion, the tendons that connect muscle to bones may get irritated if they see too much stress too rapidly. To prevent this problem with your muscles, we usually recommend the following rule: Take the amount of exercise you think you can do and cut it by one third the first few times you do it. While it is rare, there have been cases of death due to this extreme overexercising of the muscles, so it is generally recommended that if you start an exercise program, you begin very slowly and build up gradually. In extreme cases, individuals who are not adequately conditioned who exercise excessively can develop a condition where the muscle is permanently damaged and proteins are released into the blood stream, which can shut down the kidneys.
In severe cases, the muscle may be damaged to the point that the muscle starts to develop permanent damage. A little soreness or discomfort means that the muscle has been stressed, but if the muscle is exercised too much, the muscle can become very sore to move and touch and may even swell.
This soreness is called delayed onset muscle soreness and may represent actual muscle damage. This soreness typically begins within a few hours but peaks one to two days after exercise. Muscle soreness typically occurs if you do a new exercise to which you are not accustomed or if you do a familiar exercise too hard. This can result in bad pain.įor example, when muscles that have not been exercised for long periods of time see a lot of stress, they respond by getting sore. When this occurs, each one of these tissues responds a little differently. The causes of the failure can be too much stress too fast, or it can be the accumulation of excessive stress over time. If they see stress too fast, they cannot respond effectively and may begin to fail. The muscles, tendons, ligaments, cartilage and bones of the body are living structures that react to the stress of exercise only gradually. If after appropriate rest the fatigue continues, it may be a sign of other medical problems and you should consult a doctor. Chronic fatigue after excessive exercise suggests that the individual may be overtraining. Fatigue that lasts days means the individual’s physiology has been excessively challenged, and this means that the muscles and the energy stores are not being effectively replenished. This fatigue should leave the individual somewhat exhilarated but not overly exhausted.
This mild burn is what we call good pain and is the basis of the popular phrase, "No pain, no gain." This pain should be short-lived and resolve soon after the activity ends.įatigue after a good, strenuous workout is also a sign that the exercise is pushing the limits of the athlete’s physiology, but it too should not be excessive. For muscle strength to increase, the muscle must see some increase in stress over what it is used to experiencing, and this stress is usually perceived as the “burn” in muscle during activity. It is well known among athletes that some discomfort is part of athletic activities and is often part of a successful training program. What is the difference between good pain and bad pain?
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