مقايسه تاثير بار خارجي بر ميزان انحناي كمر در زنان مبتلا به كمردرد مزمن با زنان سالم

Comparison of External Load Effect on Lumbar Lordosis Among between Low Back Pain Patients and Healthy Individuals

Objective: Lumbar c urvature is an important factor in posture and bod y mo vement that help us to understand low back pain problems. The aim of thi s study was ev aluatio n of ext ernal load and trunk posture e ffec t on lumbar c urva ture under static co nditio n. Materials & Methods: This study is an interveruional, quasi-experimental and case-co ntro l st udy. Ten women wi th non spec ific c hro nic low bac k pain and ten match ed witho ut low back pain wome n were parti cipat ed in th is study. We used simple and non random meth od for sampling. Two clinometer!ʹ> se nso rs we re used to eva]uate lumbar cu rvature . Six static task s whi le holding three le vel s of load (0, 6, 12 Kg) and two lev els of trunk posi tion (ne utral a nd 30 degree of fle xion ) wer e simul ated for subjects . Dat a wer e ana lyzed by usin g Kolm ogroff-Smirnoff, ANOYA (Re pe ate d Measurement) and independent T-test. Results: Findings revealed lumbar lord osis in pati ent s with low back pain does not ch ange to kyphosis while increas ing ext ernal load from Okg to 6kg and 12kg in neutral trunk position (p