There are several possible causes of pain in the lateral pelvic muscles: 1, bad habits, if a long time sedentary or long time to maintain the same posture, resulting in repeated contraction of pelvic muscle fibers leading to local congestion, edema, thus forming inflammation so that the pain in the lateral pelvic muscles. This is a good way to get the most out of your life. This is the case that you need to consult a gynecological clinic to eliminate pelvic inflammation, and then the pain in the lateral pelvic muscles can be relieved by herbal scrubbing, herbal cupping and other physiotherapy techniques. 3, infection, if there is an infection in the lateral pelvic muscles, it may also lead to muscle pain, redness and swelling, and the cause of the infection needs to be identified and treated symptomatically.