What is a contraindication for performing stretching?

Edema, which refers to swelling caused by excess fluid trapped in the body's tissues, is a significant contraindication for performing stretching exercises. This is because stretching an area that is already swollen can exacerbate the condition, leading to increased discomfort, potential injury, or further exacerbation of the swelling. When tissue is swollen, it is often in a compromised state where the normal range of motion may be limited due to pain or dysfunction. Engaging in stretching could risk pushing the tissues beyond their current capability to handle stress or strain.

On the other hand, while muscle soreness, previous joint injuries, and chronic back pain may require caution or modifications in stretching techniques, they do not universally prohibit stretching. For instance, muscle soreness is a common occurrence after exercise, but gentle stretching can sometimes provide relief. Previous joint injuries may necessitate a more tailored approach to stretching, but they do not outright prevent stretching from being performed, especially if cleared by a healthcare professional. Similarly, chronic back pain may require specific adjustments but does not typically contraindicate stretching altogether unless there is acute pain or inflammation involved.