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Fall Risk Assessment. Masoud Shirazi Seyedmeysam Khaleghian Dr. Lockhart Dr. Ross. Problem definition:. 1 of 3 people 65+ fall every year 1 1 of 5 falls causes a serious injury 2 Over 80% of all adverse events among hospital patients are associated with falls -----------------

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fall risk assessment

Fall Risk Assessment

MasoudShirazi

SeyedmeysamKhaleghian

Dr. Lockhart

Dr. Ross

problem definition
Problem definition:
  • 1 of 3 people 65+ fall every year1
  • 1 of 5 falls causes a serious injury2
  • Over 80% of all adverse events among hospital patients are associated with falls

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  • 1. Hornbrook, Gerontologist, 1994; Hausdorff, Arch Phys Med & Rehab,2001
  • 2. Sterling, J Trauma-Inj Infection & Critical Care,2001
background
Background
  • Different parameters have been considered as effective parameters in the fall risk problem

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  • Granata K.P., Lockhart T.E., Dynamic stability differences in fall-prone and healthy adults, J ElectromyogrKinesiol (2007),
  • Lockhart, Thurmon E. and Liu, Jian(2008)'Differentiating fall-prone and healthy adults using local dynamic stability',Ergonomics,51:12,1860 — 1872
  • JJ. Collins, Open-loop and closed-loop control of posture: A random-walk analysis of center-of-pressure trajectories, ExpBrainRes (1993) 95:308-318
  • ….
parameter normalization
Parameter Normalization
  • Step Length / Height
parameter normalization1
Parameter Normalization
  • Double support time / gate cycle time
parameter normalization2
Parameter Normalization
  • Left Stance/ Gate cycle time
parameter normalization3
Parameter Normalization
  • Right Stance / Gate cycle Time