Reliability and concurrent validity of a Smartphone, bubble inclinometer and motion analysis system for measurement of hip joint range of motion

Verrall, 2007, Hip joint range of motion restriction precedes athletic chronic groin injury, J Sci Med Sport, 10, 463, 10.1016/j.jsams.2006.11.006 Williams, 1978, Limitation of hip joint movement as a factor in traumatic osteitis pubis, Br J Sports Med, 12, 129, 10.1136/bjsm.12.3.129 Verrall, 2005, Hip joint range of motion reduction in sports-related chronic groin injury diagnosed as pubic bone stress injury, J Sci Med Sport, 8, 77, 10.1016/S1440-2440(05)80027-1 Arnason, 2004, Risk factors for injuries in football, Am J Sports Med, 32, 5S, 10.1177/0363546503258912 Hölmich, 1999, Effectiveness of active physical training as treatment for long-standing adductor-related groin pain in athletes: randomised trial, The Lancet, 353, 439, 10.1016/S0140-6736(98)03340-6 Lamontagne, 2009, The effect of Cam FAI on hip and pelvic motion during maximum squat, Clin Orthop Relat Res, 467, 645, 10.1007/s11999-008-0620-x Nussbaumer, 2010, Validity and test-retest reliability of manual goniometers for measuring passive hip range of motion in femoroacetabular impingement patients, BMC Muscoskel Disord, 11, 194, 10.1186/1471-2474-11-194 Clapis, 2008, Reliability of inclinometer and goniometric measurements of hip extension flexibility using the modified Thomas test, Physiother Theor Pract, 24, 135, 10.1080/09593980701378256 Franko, 2012, Smartphone app use among medical providers in ACGME training programs, J Med Syst, 36, 3135, 10.1007/s10916-011-9798-7 Clark, 2012, Validity of the Microsoft Kinect for assessment of postural control, Gait Posture, 36, 372, 10.1016/j.gaitpost.2012.03.033 Jacquot, 2012, Measuring the Cobb angle with the iPhone in kyphoses: a reliability study, Int Orthop, 36, 1655, 10.1007/s00264-012-1579-5 Williams, 2013, The TiltMeter app is a novel and accurate measurement tool for the weight bearing lunge test, J Sci Med Sport, 16, 392, 10.1016/j.jsams.2013.02.001 Pua, 2008, Intrarater test–retest reliability of hip range of motion and hip muscle strength measurements in persons with hip osteoarthritis, Arch Phys Med Rehabil, 89, 1146, 10.1016/j.apmr.2007.10.028 Fredericson, 2002, Quantitative analysis of the relative effectiveness of 3 iliotibial band stretches, Arch Phys Med Rehabil, 83, 589, 10.1053/apmr.2002.31606 Ludbrook, 1997, Comparing methods of measurement, Clin Exp Pharmacol Physiol, 24, 193, 10.1111/j.1440-1681.1997.tb01807.x Bland, 1990, A note on the use of the intraclass correlation coefficient in the evaluation of agreement between two methods of measurement, Comput Biol Med, 20, 337, 10.1016/0010-4825(90)90013-F Portney, 2009 Benoit, 2006, Effect of skin movement artifact on knee kinematics during gait and cutting motions measured in vivo, Gait Posture, 24, 152, 10.1016/j.gaitpost.2005.04.012 Ramsey, 1999, Biomechanics of the knee: methodological considerations in the in vivo kinematic analysis of the tibiofemoral and patellofemoral joint, Clin Biomech, 14, 595, 10.1016/S0268-0033(99)00015-7 Patel, 2004, A three-dimensional MRI analysis of knee kinematics, J Orthop Res, 22, 283, 10.1016/j.orthres.2003.08.015