Obturator sign and psoas sign

Obturator nerve

「闌尾炎 理學檢查的 543」之二 閉孔肌徵象(Obturator sign) Obturator sign：將右大腿屈曲並且內旋(轉)，此時腳踝在外側，這是想辦法讓Obturator muscle (閉孔肌) 動一動 (有些stress感 !)，來誘發下腹痛！ 因為 Obturator muscle(閉孔肌) 在闌尾下面！如果發炎的闌尾剛好碰到了這條肌肉，就會引起疼痛..! 所以Obturator sign要陽性的前提，是你的闌尾屬於pelvic appendix！ | 來講兒科急診的543-吳昌騰醫師

The obturator externus, along with the obturator internus, suspends the femur in the acetabulum. They are part of the “deep 6” along with the piriformis. When they become neurologically overactive, they can draw the femur too far into the hip socket, and the process of joint degeneration can begin. The obturator externus, being more anterior, can also affect the groin area and bladder. NKT has protocols for this muscle, whether acting on the hip, groin, or bladder. This article details its effec