How to measure excessive traction?

1, subjective evaluation: when traction, pay attention to your feelings, including pain, tension and discomfort, and judge whether there is excessive traction with subjective feelings.

2. Traction measuring instrument: There is a tool called traction measuring instrument in professional medical equipment, which can accurately measure the traction acting on body parts.

3. Medical image examination: Through medical image examination, such as X-ray, nuclear magnetic resonance or ultrasound, we can observe the tissue changes caused by traction, such as ligament strain, fracture or rupture.