Will female lumbar muscle strain worsen after sexual intercourse?

In general, whether sexual activity will worsen lumbar muscle strain in women depends on the severity of the strain. If the strain is mild, symptoms typically won't worsen; however, if the strain is severe, symptoms may become more serious. Detailed analysis is as follows:

If the lumbar muscle strain is mild and sexual activity involves gentle movements, proper positions, and a short duration—thus placing minimal stress on the lower back muscles—symptoms usually do not worsen. Any slight discomfort afterward can generally be relieved with appropriate rest.

If the lumbar muscle strain is severe, the back muscles are already tense and painful. Engaging in vigorous movements or adopting improper positions during intercourse may further stretch or compress the injured muscles, potentially increasing pain and limiting mobility, thereby worsening the muscle strain.

To prevent exacerbation of lumbar muscle strain after sexual activity, it's recommended to choose comfortable and relaxed positions, keep movements gentle and brief, and ensure proper warmth and rest for the lower back afterward. In daily life, applying heat therapy and performing moderate back and core muscle exercises can strengthen the lower back and reduce the risk of worsening muscle strain.