Why does my butt hurt when I climb mountains?

Climbing is likely to cause pain in the buttocks, because the hip muscles are mainly dominated by the hip joint extension, extension and external rotation and other activities, climbing, because the hip joint must be strong to straighten, to be able to force to climb and other sports, so it is possible that the following two situations caused by the pain: first, it may be too hard to climb the mountain buttock muscles, resulting in strained buttock muscles, this situation will already occur during the climbing exercise, and the pain will be more pronounced when exertion; second, after climbing due to local lactic acid accumulation on the buttock muscles, which stimulate the muscles and lead to muscle soreness. This situation in the climbing exercise process will already appear, and when the pain will be more obvious; Second, after climbing due to the local lactic acid accumulation in the buttock muscles above, thus stimulating the muscles and lead to muscle soreness, pain, fatigue and other feelings, general rest 2-3 days the symptoms will naturally disappear.