3. Mercer JA, Applequist BC, Masumoto K. Muscle activity during running with different body-weight-support mechanisms: aquatic environment versus body-weight-support treadmill. J Sport Rehabil 2014;23(4):300-6.
4. Jung T, Kim Y, Lim H, Vrongistinos K. The influence of water depth on kinematic and spatiotemporal gait parameters during aquatic treadmill walking. Sports Biomech 2019;18(3):297-307.
5. Dolbow DR, Farley RS, Kim JK, Caputo JL. Oxygen consumption, heart rate, rating of perceived exertion, and systolic blood pressure with water treadmill walking. J Aging Phys Act 2008;16(1):14-23.
6. Nakazawa K, Yano H, Miyashita M. Ground reaction forces during walking in water. In: Mutoh Y, Miyashita M, Richardson AB, editors. Medicine and science in aquatic sports. Basel, Switzerland: S. Karger AG; 1994. p. 28-34.
7. Murray JM, Hunter DL, Kelsey DD, Murray TD. Determination of the physiological effects of unloaded treadmill exercise. Cardiopulm Phys Ther J 1993;4(2):13-6.
8. Skelton DA, Dinan SM. Exercise for falls management: rationale for an exercise programme aimed at reducing postural instability. Physiother Theory Pract 1999;15(2):105-20.
9. Alikhajeh Y, Hosseini SR, Moghaddam A. Effects of hydrotherapy in static and dynamic balance among elderly men. Procedia Soc Behav Sci 2012;46:2220-4.
10. Silsupadol P, Teja K, Lugade V. Reliability and validity of a smartphone-based assessment of gait parameters across walking speed and smartphone locations: body, bag, belt, hand, and pocket. Gait Posture 2017;58:516-22.
11. Masumoto K, Hamada A, Tomonaga HO, Kodama K, Amamoto Y, Nishizaki Y, et al. Physiological and perceptual responses to backward and forward treadmill walking in water. Gait Posture 2009;29(2):199-203.
12. Ceseracciu E, Sawacha Z, Fantozzi S, Cortesi M, Gatta G, Corazza S, et al. Markerless analysis of front crawl swimming. J Biomech 2011;44(12):2236-42.
14. McCabe CB, Sanders RH. Kinematic differences between front crawl sprint and distance swimmers at a distance pace. J Sports Sci 2012;30(6):601-8.
15. Tamburella F, Scivoletto G, Cosentino E, Molinari M. Walking in water and on land after an incomplete spinal cord injury. Am J Phys Med Rehabil 2013;92(10 Suppl 2):e4-15.
16. Silvatti AP, Dias FA, Cerveri P, Barros RM. Comparison of different camera calibration approaches for underwater applications. J Biomech 2012;45(6):1112-6.
17. Silvatti AP, Cerveri P, Telles T, Dias FA, Baroni G, Barros RM. Quantitative underwater 3D motion analysis using submerged video cameras: accuracy analysis and trajectory reconstruction. Comput Methods Biomech Biomed Engin 2013;16(11):1240-8.
19. Mooney R, Corley G, Godfrey A, Osborough C, Newell J, Quinlan LR, et al. Analysis of swimming performance: perceptions and practices of US-based swimming coaches. J Sports Sci 2016;34(11):997-1005.
20. Masumoto K, Mercer JA. Biomechanics of human locomotion in water: an electomyographic analysis. Exerc Sport Sci Rev 2008;36(3):160-9.
22. Longoni L, Brunati R, Sale P, Casale R, Ronconi G, Ferriero G. Smartphone applications validated for joint angle measurement: a systematic review. Int J Rehabil Res 2019;42(1):11-9.
23. Polechonski J, Nawrocka A, Wodarski P, Tomik R. Applicability of smartphone for dynamic postural stability evaluation. Biomed Res Int 2019;2019:9753898
24. Lee D, Han S. Study on the reliability of smartphone-based measurements of leg segment and joint angles during gait. J Korean Soc Precis Eng 2019;36(3):293-300.
25. Furrer M, Bichsel L, Niederer M, Baur H, Schmid S. Validation of a smartphone-based measurement tool for the quantification of level walking. Gait Posture 2015;42(3):289-94.
27. Cicchetti DV. Guidelines, criteria, and rules of thumb for evaluating normed and standardized assessment instruments in psychology. Psychol Assess 1994;6(4):284-90.
28. Lugade V, Fortune E, Morrow M, Kaufman K. Validity of using tri-axial accelerometers to measure human movement. Part I: posture and movement detection. Med Eng Phys 2014;36(2):169-76.
30. Barela AM, Stolf SF, Duarte M. Biomechanical characteristics of adults walking in shallow water and on land. J Electromyogr Kinesiol 2006;16(3):250-6.