1. Van Velzen JM, Van Bennekom CAM, Polomski W, et al. Physical capacity and walking ability after lower limb amputation: a systematic review. Clin Rehabil 2006; 20: 999–1016.
2. Rougier PR, Bergeau J. Biomechanical analysis of postural control of persons with transtibial or transfemoral amputation. Am J Phys Med Rehabil 2009; 88: 896–903.
3. Pollock C, Eng J, Garland S. Clinical measurement of walking balance in people post stroke: a systematic review. Clin Rehabil 2011; 25: 693–708.
4. Chin T, Sawamura S, Fujita H, et al. %VO2max as an indicator of prosthetic rehabilitation outcome after dysvascular amputation. Prosthet Orthot Int 2002; 26: 44–49.
5. Schoppen T, Boonstra A, Groothoff JW, et al. Physical, mental, and social predictors of functional outcome in unilateral lower-limb amputees. Arch Phys Med Rehabil 2003; 84: 803–811.
6. Hamamura S, Chin T, Kuroda R, et al. Factors affecting prosthetic rehabilitation outcomes in amputees of age 60 years and over. J Int Med Res 2009; 37: 1921–1927.
7. Raya MA, Gailey RS, Fiebert IM, et al. Impairment variables predicting activity limitation in individuals with lower limb amputation. Prosthet Orthot Int 2010; 34: 73–84.
8. Schoppen T, Boonstra A, Groothoff JW, et al. The Timed “up & go” test: reliability and validity on persons with unilateral lower limb amputation. Arch Phys Med Rehabil 1999; 80: 825–828.
9. Lin SJ, Bose NH. Six-minute walk test in persons with transtibial amputation. Arch Phys Med Rehabil 2008; 89: 2354–2359.
10. Andrysek J, Klejman S, Steinnagel B, et al. Preliminary evaluation of a commercially available videogame system as an adjunct therapeutic intervention for improving balance among children and adolescents with lower limb amputations. Arch Phys Med Rehabil 2012; 93: 358–366.
11. Gremeaux V, Damak S, Troisgros O, et al. Selecting a test for clinical assessment of balance and walking capacity at the definitive fitting state after unilateral amputation: a comparative study. Prosthet Orthot Int 2012; 36: 415–422.
12. Major MJ, Fatone S, Roth EJ. Validity and reliability of the Berg Balance Scale for community- dwelling persons with lower limb amputation. Arch Phys Med Rehabil 2013; 94: 2194–2202.
13. Wong CK. Interrater reliability of the Berg Balance Scale when used by clinicians of various experience levels to assess people with lower limb amputations. Phys Ther 2014; 94: 371–378.
14. Wong CK, Chen CC, Benoy SA, et al. Role of balance ability and confidence in prosthetic use for mobility of people with lower-limb loss. J Rehabil Res Dev 2014; 51: 1353–1364.
15. Wong CK, Chen CC, Blackwell WM, et al. Balance ability measured with the Berg Balance Scale: a determinant of fall history in community-dwelling adults with leg amputation. J Rehabil Med 2015; 47: 80–86.
16. Wong CK, Young RS, Ow-Wing C, et al. Determining 1-yr prosthetic use for mobility prognoses for community-dwelling adults with lower-limb amputation. Am J Phys Med Rehabil 2016; 95: 339–347.
17. Berg KO, Wood-Dauphinee S, Williams JI, et al. Measuring balance in the elderly: preliminary development of an instrument. Physiother Can 1989; 41: 304–311.
18. Berg KO, Maki BE, Williams JI, et al. Clinical and laboratory measures of postural balance in an elderly population. Arch Phys Med Rehabil 1992; 73: 1073–1080.
19. Hamzat TK, Kobiri A. Effects of walking with a cane on balance and participation among community-dwelling post-stroke individuals. Eur J Phys Rehabil Med 2008; 44: 121–126.
20. Lemay JF, Nadeau S. Standing balance assessment in ASIA D paraplegic and tetraplegic participants: concurrent validity of the Berg Balance Scale. Spinal Cord 2010; 48: 245–250.
21. Sansam K, Neumann V, O’Connor R, et al. Predicting walking ability following lower limb amputation: a systematic review of the literature. J Rehabil Med 2009; 41: 593–603.
22. Burger H, Marinček Č. Functional testing of elderly subjects after lower limb amputation. Prosthet Orthot Int 2001; 25: 102–107.
23. American Thoracic Society: ATS statement: guidelines for the six-minute walk test. Am J Respir Crit Care Med 2002; 166: 111–117.
24. Harada ND, Chiu V, Stewart AL. Mobility-related function in older adults: assessment with a 6- minute walk test. Arch Phys Med Rehabil 1999; 80: 837–841.
25. Pang MY, Eng JJ, Dawson AS. Relationship between ambulatory capacity and cardiorespiratory fitness in chronic stroke. Chest 2005; 127: 495–501.
26. Gailey RS, Roach KE, Applegate EB, et al. The amputee mobility predictor: an instrument to assess determinants of the lower- limb amputee’s ability to ambulate. Arch Phys Med Rehabil 2002; 83: 613– 627.
27. Bateni H, Maki BE. Assistive devices for balance and mobility: benefits, demands, and adverse consequence. Arch Phys Med Rehabil 2005; 86: 134–145.
28. Gauthier-Gagnon C, Grisé MC, Potvin D. Enabling factors related to prosthetic use by people with transtibial and transfemoral amputation. Arch Phys Med Rehabil 1999; 80: 706–713.
29. Sinha R, Van Den Heuvel WJA, Arokiasamy P. Factors affecting quality of life in lower limb amputees. Prosthet Orthot Int 2011; 35: 90–96.
30. Fletcher DD, Andrews KL, Hallett JW Jr, et al. Trends in rehabilitation after amputation for geriatric patients with vascular disease: Implications for future health resource allocation. Arch Phys Med Rehabil 2002; 83: 1389–1393.
31. Davies B, Datta D. Mobility outcome following unilateral lower limb amputation. Prosthet Orthot Int 2003; 27: 186–190.
32. Podsiadlo D, Richardson S. The timed “Up & Go”: a test of basic functional mobility for elderly persons. J Am Geriatr Soc 1991; 39: 142–148.
33. Andresen EM. Criteria for assessing the tools of disability outcomes research. Arch Phys Med Rehabil 2000; 81: S15–S20.
34. Bland JM, Altman DG. Multiple significance tests: the Bonferroni method. BMJ 1995; 310: 170.
35. Knorr S, Brouwer B, Garland SJ. Validity of the Community Balance and Mobility Scale in community-dwelling persons after stroke. Arch Phys Med Rehabil 2010; 91: 890–896.