Document Type : Original Article
Researchers
1 Departement of injury prevention and corrective exercises- Sport science faculty- Allameh tabatabaei university of Tehran
2 Departement of Injury prevenntion and corrective exercises- sport scince faculty- Allameh tabatabaei university -Tehran
Ministerial Ethics Committee
The purpose of this study is first to find non-athletic women with lumbar hyperlordosis ( increased lumbar lordosis) between ages of 20-30 . According to this research ، during prone knee flexion test ، hyperlordotic women are going to be divided into two groups of "With Lumbopelvic Compensatory movement" meaning shortness of rectus femoris muscle and " Without lumbopelvic compensatory movement" meaning stiffness of rectus femoris muscle. Lumbopelvic Compensatory movements in this test are known as " increased lumbar lordosis، anterior pelvic tilt، pelvic rotation or hyperextension and changed degree of flexible ruler. Another aim of this study is to assess electromyographic (EMG) activity of Gluteus maximus and minimus، Hamstrings (semitendinosus) and Vastus lateralis msucles during "One leg stance and prone hip extension" . Also the trunk muscle function is going to be evaluated by 5 clinical tests "biering Sorenson- half curl up- side bridges-prone and supine double straight leg raises