TY - BOOK AU - Amani Eid Abdeltawab AU - Amira Abdallah Abdelmageed , AU - Enaam Khalifah Rawy , AU - Salam Mhamed Elhafez , TI - Mathematical calculation of hip joint reaction force while walking on different ramps / PY - 2013/// CY - Cairo : PB - Amani Eid Abdeltawab , KW - Gait KW - Inclined surfaces KW - JRF N1 - Thesis (Ph.D.) - Cairo University - Faculty of Physical Therapy - Department of Biomechanics; Issued also as CD N2 - The purpose of this study was to investigate the effect of walking up four ramps of different slopes (0{u00BA} - 5{u00BA} - 10{u00BA} - 15{u00BA}) on the resultant of hip joint reaction force (JRF) , the resultant total ground reaction force (GRF) , the hip flexion and extension moments and the angular displacement of the right hip joint in two different positions ER -