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Center of mass acceleration and slip outcome.

Authors
Beschorner-K; Cham-R
Source
Proceedings of the 30th Annual Meeting of the American Society of Biomechanics, September 6-9, 2006, Blacksburg, Virginia. Newark, DE: American Society of Biomechanics, 2006 Sep; :84
NIOSHTIC No.
20039884
Abstract
Slip, trip, and fall accidents result in 20-40% of disabling injuries in industry with as many as half of these coming from slipping alone (Courtney et al., 2001). The number of incidences and resulting injury severity increases with age (Courtney et al., 2001). Center of mass (COM) position and velocity with respect to the base of support (BOS) are important in recovery from a slip perturbation during sit to stand tasks (Pai and Patton, 1997) and walking (Bhatt et al., 2006). Bhatt and colleagues have used an inverted pendulum model of the body to show that the saggittal plane angle and angular velocity of the COM with respect to the BOS are important predictors of istability during slipping (Bhatt et al., 2006). Intuitively, angular acceleration of the COM with respect to the BOS at heel contact (HC) may also be important as it affects angle and angular velocity measures. Yet, this variable has not been investigated in previous research. Thus, the purpose of this study is to examine differences in COM angular acceleration at HC between slip-recovery and slip-fall outcomes in young and older adults.
Keywords
Humans; Men; Women; Age-groups; Age-factors; Accidents; Physiology; Physiological-function; Physiological-factors; Physiological-effects; Physical-reactions; Injuries; Muscles; Muscle-function; Musculoskeletal-system; Models
Publication Date
20060901
Document Type
Abstract
Email Address
keb52@pitt.edu
Funding Type
Grant
Fiscal Year
2006
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R03-OH-007533; Grant-Number-R01-OH-007592
Source Name
Proceedings of the 30th Annual Meeting of the American Society of Biomechanics, September 6-9, 2006, Blacksburg, Virginia
State
OH; PA
Performing Organization
University of Pittsburgh, Pittsburgh, Pennsylvania
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