Evidence of altered lumbopelvic muscle recruitment in the presence of sacroiliac joint pain.

摘要: Study Design. Cross-sectional study of electromyographic onsets trunk and hip muscles in subjects with a clinical diagnosis sacroiliac joint pain matched control subjects. Objectives. To determine whether muscle activation the supporting leg was different between during flexion standing. Background. Activation gluteal stabilize pelvis for load transference; however, temporal pattern effect pelvic on parameters has not been investigated. Methods. Fourteen men healthy age-matched were studied. Surface activity recorded from seven Onset relative to initiation task compared groups limbs. Results. The onset obliquus internus abdominis (OI) multifidus occurred before weight transfer abdominis, multifidus, gluteus maximus delayed symptomatic side subjects, biceps femoris earlier. IN addition, asymptomatic sides pain. Conclusions. flexion, suggests an alteration strategy lumbopelvic stabilization that may disrupt transference through pelvis.