1. Alexander M.J.L. (1990) Peak torque values for antagonist muscle groups and concentric and eccentric contraction types for elite sprinters. Arch. Phys. Med. Rehabil., 71(5): 334-339.
5. Burkett B., Smeathers J., Barker T. (2003) Walking and running inter-limb asymmetry for paralympic trans-femoral amputees, a biomechanical analysis. Prosthet. Orthot. Int., 27(1): 36-47.
10.3109/03093640309167975
6. Calmels P.M., Nellen M., van der Borne I., Jourdin P., Minaire P. (1997) Concentric and eccentric isokinetic assessment of flexon-extensor torque ratios at the hip, knee, and ankle in a sample population of healthy subjects. Arch. Phys. Med. Rehabil., 78(11): 1224-1230, DOI: 10.1016/s0003-9993(97)90336-110.1016/S0003-9993(97)90336-1
7. Crenshaw J.R., Kaufman K.R., Grabiner M.D. (2013) Compensatory-step training of healthy, mobile people with unilateral, transfemoral or knee disarticulation amputations: A potential intervention for trip-related falls. Gait and Posture, 38(3): 500-506, DOI: 10.1016/j.gaitpost.2013.01.02310.1016/j.gaitpost.2013.01.02323433547
8. Croisier J.L., de Noordhout B.M., Maquet D., Camus G., Hac S., Feron F., Crielaard J.M. (2001) Isokinetic evaluation of hip strength muscle groups in unilateral lower limb amputees. Isokinet. Exerc. Sci., 9(4): 163-169.
10.3233/IES-2001-0080
9. Doukas W.C., Hayda R.A., Frisch H.M., Andersen R.C., Mazurek M.T., Ficke J.R.,MacKenzie E.J. (2013) The Military Extremity Trauma Amputation/Limb Salvage (METALS) Study Outcomes of Amputation Versus Limb Salvage Following Major Lower-Extremity Trauma. J. Bone Joint Surger. Am. Vol., 95A(2): 138-145, DOI: 10.2106/jbjs.k.0073410.2106/JBJS.K.0073423324961
10. Gailey R., Allen K., Castles J., Kucharik J., Roeder M. (2008) Review of secondary physical conditions associated with lower-limb amputation and long-term prosthesis use. J. Rehabil. Res. Dev., 45(1), DOI: 10.1682/jrrd.2006.11.014710.1682/JRRD.2006.11.014718566923
11. Gottschalk F.A., Stills M. (1994) The biomechanics of trans-femoral amputation. Prosthet. Orthot. Int., 18(1): 12-7.
10.3109/030936494091646658084744
12. Halsne E.G., Waddingham M.G., Hafner B.J. (2013) Long-term activity in and among persons with transfemoral amputation. J. Rehabil. Res. Dev., 50(4): 515-529, DOI: 10.1682/jrrd.2012.04.006610.1682/JRRD.2012.04.0066
13. Harbo T., Brincks J., Andersen H. (2012) Maximal isokinetic and isometric muscle strength of major muscle groups related to age, body mass, height, and sex in 178 healthy subjects. Euro. J. Appl. Physiol., 112(1): 267-275, DOI: 10.1007/s00421-011-1975-310.1007/s00421-011-1975-3
14. Jaegers S., Arendzen J.H., Dejongh H.J. (1995) Changes in hip muscles after above-knee amputation. Clin. Orthop. Relat. Res., (319), 276-284.
10.1097/00003086-199510000-00030
16. Moirenfeld I., Ayalon M., Ben-Sira, D., Isakov E. (2000) Isokinetic strength and endurance of the knee extensors and flexors in trans-tibial amputees. Prosthet. Orthot. Int., 24(3): 221-225, DOI: 10.1080/0309364000872655110.1080/03093640008726551
17. Mynarski W.N.A., Rozpara M., Garbaciak W. (2012) Physical activity of male and female adolescents living in a town and a city in the context of public health recommendations. Biomed. Hum. Kinetics, 4: 18–23. DOI:10.2478/v10101-012-0004-210.2478/v10101-012-0004-2
19. Nolan, L. (2012) A training programme to improve hip strength in persons with lower limb amputation. J. Rehabil. Med., 44(3): 241-248, DOI: 10.2340/16501977-092110.2340/16501977-0921
20. Pastuszak A.L.K., Lewandowska J., Buśko K. (2014) Level of physical activity of physical education students according to criteria of the IPAQ questionnaire and the recommendation of WHO experts. Biomed. Hum. Kinetics, 6: 5–11, DOI:10.2478/bhk-2014-000210.2478/bhk-2014-0002
21. Pontaga I. (2004). Hip and knee flexors and extensors balance in dependence on the velocity of movements. Biol. Sport, 21(3): 261-272.
22. Ryser D.K., Erickson, R.P., Cahalan T. (1988) Isometric and isokinetic hip abductor strength in prrsons with above-knee amputation. Arch. Phys. Med. Rehabil., 69(10): 840-845.
24. Wezenberg D., van der Woude L.H., Faber W.X., de Haan A., Houdijk H. (2013) Relation Between Aerobic Capacity and Walking Ability in Older Adults With a Lower-Limb Amputation. Arch. Phys. Med. Rehabil., 94(9): 1714-1720, DOI: 10.1016/j.apmr.2013.02.01610.1016/j.apmr.2013.02.01623466292