There are many reasons for joint popping, and the common reasons are sacroiliac arthritis, surrounding muscle tension, trauma, and so on.
1. Sacroiliac arthritis: due to the sacroiliac joint long-term strenuous exercise, exertion, degenerative lesions, etc., easy to loose sacroiliac joints, friction and collision within the joints in the process of activities, the resulting sound.
2. Peripheral muscle tension: due to the sacroiliac joint around the broad fascia tensor fasciae latae muscle and gluteus maximus muscle formed by the iliotibial bundle and femur rotor friction formation, that is, people say the tendon tension, in the process of hip flexion and extension of the popping sound.
3. Trauma: sacroiliac joint due to trauma, congestion, edema and other chronic inflammation, subcutaneous can feel a cord-like, tough and nodular structure, in the process of joint activities can appear sacroiliac joint popping.
Sacroiliac joint popping, there may be other reasons, if the popping is not accompanied by pain, rest on their own, if accompanied by pain, should consult a doctor in time to confirm the diagnosis, and targeted treatment.