مقایسه اثر تمرین تقویتی اسکات و پرس پا بر فعالیت الکترومایوگرافی عضلات چهارسر ران هنگام پایین آمدن از پله

##De Oliveira Silva D, Magalhães FH, Pazzinatto MF, Briani RV, Ferreira AS, Aragão FA, et al. Contribution of altered hip, knee and foot kinematics to dynamic postural impairments in females with patellofemoral pain during stair ascent. The Knee. 2016;23(3):376-8.##Hamill J, Knutzen KM. Biomechanical basis of human movement: Lippincott Williams & Wilkins; 2006.##Farahpour N, Jafarnezhad A, Damavandi M, Bakhtiari A, Allard P. Gait ground reaction force characteristics of low back pain patients with pronated foot and able-bodied individuals with and without foot pronation. Journal of biomechanics. 2016;49(9):1705-10.##Beaulieu FG, Pelland L, Robertson DGE. Kinetic analysis of forwards and backwards stair descent. Gait & posture. 2008;27(4):564-71.##Hinman RS, Hunt MA, Creaby MW, Wrigley TV, McManus FJ, Bennell KL. Hip muscle weakness in individuals with medial knee osteoarthritis. Arthritis care & research. 2010;62(8):1190-3.##Farahpour N, Jafarnezhadgero A, Allard P, Majlesi M. Muscle activity and kinetics of lower limbs during walking in pronated feet individuals with and without low back pain. Journal of Electromyography and Kinesiology. 2018;39:35-41.##Rice DA, McNair PJ, Lewis GN. Mechanisms of quadriceps muscle weakness in knee joint osteoarthritis: the effects of prolonged vibration on torque and muscle activation in osteoarthritic and healthy control subjects. Arthritis research & therapy. 2011;13(5):R151.##Hurley MV. The role of muscle weakness in the pathogenesis of osteoarthritis. Rheumatic Disease Clinics of North America. 1999;25(2):283-98.##Jafarnezhadgero AA, Oliveira AS, Mousavi SH, Madadi-Shad M. Combining valgus knee brace and lateral foot wedges reduces external forces and moments in osteoarthritis patients. Gait & posture. 2018;59:104-10.##Coqueiro KRR, Bevilaqua-Grossi D, Bérzin F, Soares AB, Candolo C, Monteiro-Pedro V. Analysis on the activation of the VMO and VLL muscles during semisquat exercises with and without hip adduction in individuals with patellofemoral pain syndrome. Journal of Electromyography and Kinesiology. 2005;15(6):596-603.##Suetta C, Aagaard P, Rosted A, Jakobsen AK, Duus B, Kjaer M, et al. Training-induced changes in muscle CSA, muscle strength, EMG, and rate of force development in elderly subjects after long-term unilateral disuse. Journal of Applied Physiology. 2004;97(5):1954-61.##Mohammadi V, Letafatkar A, Sadeghi H, Jafarnezhadgero A, Hilfiker R. The effect of motor control training on kinetics variables of patients with non-specific low back pain and movement control impairment: prospective observational study. Journal of Bodywork and Movement Therapies. 2016.##Laprade J, Culham E, Brouwer B. Comparison of five isometric exercises in the recruitment of the vastus medialis oblique in persons with and without patellofemoral pain syndrome. Journal of Orthopaedic & Sports Physical Therapy. 1998;27(3):197-204.##Lobo da Costa P, Amadio A, editors. Ground reaction force factors and electromyographic patterns during level and stair walking in children. Proceedings of the, XV, congress of the international society of biomechanics; 1995.##Riener R, Rabuffetti M, Frigo C. Stair ascent and descent at different inclinations. Gait & posture. 2002;15(1):32-44.##Cappozzo A, Marchetti M, Tosi V. Biolocomotion: a century of research using moving pictures: Promograph; 1992.##Hamel KA, Okita N, Bus SA, Cavanagh PR. A comparison of foot/ground interaction during stair negotiation and level walking in young and older women. Ergonomics. 2005;48(8):1047-56.##Hermens HJ, Freriks B, Disselhorst-Klug C, Rau G. Development of recommendations for SEMG sensors and sensor placement procedures. Journal of electromyography and Kinesiology. 2000;10(5):361-74.##Anbarian M, Jafarnezhad A. Knee malalignment influences the electromyographic activity of selected lower limb muscles during gait in boy adolescents. Gait & Posture. 2015;42:S39-S40.##Cacchio A, Don R, Ranavolo A, Guerra E, McCaw ST, Procaccianti R, et al. Effects of 8-week strength training with two models of chest press machines on muscular activity pattern and strength. Journal of Electromyography and Kinesiology. 2008;18(4):618-27.##Whitehead JMA, Esposito ER, Wilken JM. Stair ascent and descent biomechanical adaptations while using a custom ankle–foot orthosis. Journal of Biomechanics. 2016;49(13):2899-908.##Cowan S. The role of gluteus medius in patellofemoral pain. Journal of Science and Medicine in Sport. 2006;9:6.##Souza D, Gross MT. Comparison of vastus medialis obliquus: vastus lateralis muscle integrated electromyographic ratios between healthy subjects and patients with patellofemoral pain. Physical therapy. 1991;71(4):310-6; discussion 7-20.##Earl JE, Hoch AZ. A proximal strengthening program improves pain, function, and biomechanics in women with patellofemoral pain syndrome. The American journal of sports medicine. 2011;39(1):154-63.##Cerny K. Vastus medialis oblique/vastus lateralis muscle activity ratios for selected exercises in persons with and without patellofemoral pain syndrome. Physical Therapy. 1995;75(8):672-83.##Basmajian JV, De Luca CJ. Muscles alive: their functions revealed by electromyography: Williams & Wilkins; 1985.##Williams DS, McClay IS, Hamill J, Buchanan TS. Lower extremity kinematic and kinetic differences in runners with high and low arches. Journal of Applied Biomechanics. 2001;17(2):153-63.##Williams GN, Chmielewski T, Rudolph KS, Buchanan TS, Snyder-Mackler L. Dynamic knee stability: current theory and implications for clinicians and scientists. Journal of orthopaedic & sports physical therapy. 2001;31(10):546-66.##Earl J, Schmitz RJ, Arnold B. Activation of the VMO and VL during dynamic mini-squat exercises with and without isometric hip adduction. Journal of Electromyography and Kinesiology. 2001;11(6):381-6.##Monteiro-Pedro V, Vitti M, Bérzin F, Bevilaqua-Grosso D. The effect of free isotonic and maximal isometric contraction exercises of the hip adduction on vastus medialis oblique muscle: an electromyographic study. Electromyography and clinical neurophysiology. 1998;39(7):435-40.##Bennell KL, Hunt MA, Wrigley TV, Hunter DJ, Hinman RS. The effects of hip muscle strengthening on knee load, pain, and function in people with knee osteoarthritis: a protocol for a randomised, single-blind controlled trial. BMC musculoskeletal disorders. 2007;8(1):121.##Sled EA, Khoja L, Deluzio KJ, Olney SJ, Culham EG. Effect of a home program of hip abductor exercises on knee joint loading, strength, function, and pain in people with knee osteoarthritis: a clinical trial. Physical therapy. 2010;90(6):895.##