1 . Ambrose AF, Paul G, Hausdorff JM. "Risk factors for falls among older adults: a review of the literature. Maturitas". Elsevier; 2013;75(1):51–61.
2. Bonadies J, Sterling D. Geriatric falls. "injury severity is high and disproportionate to mechanism". J Trauma Acute Care Surg. LWW; 1998;45(6):1120.
3. Carter N, O’Driscoll M. Life Begins at Forty!. "Should the route to promoting exercise in elderly people also start in their forties?" Physiotherapy. Elsevier; 2000;86(2):85–93.
4. Christiansen CL. "The effects of hip and ankle stretching on gait function of older people". Arch Phys Med Rehabil. Elsevier; 2008;89(8):1421–8.
5. Daubney ME, Culham EG. "Lower-extremity muscle force and balance performance in adults aged 65 years and older". Phys Ther. American Physical Therapy Association; 1999;79(12):1177–85.
6. Faul MXL, Wald MM, Coronado VG. "Centers for Disease Control and Prevention National Center for Injury Prevention and Control". 2010; care providers". Clin Interv Aging. Dove Medical Press; 2007;2(4):545.
7. Holbein-Jenny MA, McDermott K, Shaw C, Demchak J. "Validity of functional stability limits as a measure of balance in adults aged 23–73 years. Ergonomics". Taylor & Francis; 2007;50(5):631–46.
8.. Hurley M V, Rees J, Newham DJ. "Quadriceps function, proprioceptive acuity and functional performance in healthy young, middle-aged and elderly subjects". Age Ageing. Br Geriatrics Soc; 1998;27(1):55–62.
9. Jamebozorgi AA, Kavoosi A, Shafiee Z, Kahlaee AH, Raei M. "Investigation of the prevalent fall-related risk factors of fractures in elderly referred to Tehran hospitals". Med J Islam Repub Iran. Medical Journal of The Islamic Republic of Iran (MJIRI); 2013;27(1):23–30.
10. Kerrigan DC, Lee LW, Collins JJ, Riley PO, Lipsitz LA. "Reduced hip extension during walking: healthy elderly and fallers versus young adults". Arch Phys Med Rehabil. Elsevier; 2001;82(1):26–30.
11. LaRoche DP, Cremin KA, Greenleaf B, Croce R V. "Rapid torque development in older female fallers and nonfallers: a comparison across lower-extremity muscles". J Electromyogr Kinesiol. Elsevier; 2010;20(3):482–8.
12. Melzer I, Benjuya N, Kaplanski J. "Postural stability in the elderly, A comparison between fallers and non-fallers". Age Ageing. Br Geriatrics Soc; 2004;33(6):602–7.
13. Mion LC, Gregor S, Buettner M, Chwirchak D, Lee O, Paras W. "Falls in the rehabilitation setting: incidence and characteristics". Rehabil Nurs. Wiley Online Library; 1989;14(1):17–22.
14. Norkin CC, White DJ." Measurement of joint motion", a guide to goniometry. FA Davis; 2009;10-20.
15. Pijnappels M, Bobbert MF, van Dieën JH. "Push-off reactions in recovery after tripping discriminate young subjects, older non-fallers and older fallers". Gait Posture. Elsevier; 2005;21(4):388–94.
16. Safavi Bz, Zou AF."Determining risk factors associated with falling among elderly at residential care facilities in Tehran". The Journal of Qazvin University of medical sciences;2008.
17. Schonnop R, Yang Y, Feldman F, Robinson E, Loughin M, Robinovitch SN. "Prevalence of and factors associated with head impact during falls in older adults in long-term care". Can Med Assoc J. Can Med Assoc; 2013;185(17):E803–10.
18. Soriano TA, DeCherrie L V, Thomas DC." Falls in the community-dwelling older adult: a review for primary- care providers". Clin Interv Aging. Dove Medical Press; 2007;2(4):545.
19. Skelton DA, Kennedy J, Rutherford OM. "Explosive power and asymmetry in leg muscle function in frequent fallers and non‐fallers aged over 65. Age Ageing". Br Geriatrics Soc; 2002;31(2):119–25.
)