2006
DOI: 10.1002/jor.20172
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Effect of compliant flooring on impact force during falls on the hip

Abstract: Compliant flooring represents a promising but understudied strategy for reducing impact force and hip fracture risk due to falls in high-risk environments such as nursing homes, hospitals, gymnasiums, and senior centers. We conducted ''pelvis release experiments'' with young women (n ¼ 15) to determine whether floor stiffness influences peak hip impact force during safe, low-height falls. During the trials, we used a pelvic sling and electromagnet to lift and instantly release the participant from a height of … Show more

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Cited by 50 publications
(37 citation statements)
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“…Increasing the thickness of protective devices has previously been shown to increase force attenuation during sideways falls on the hip (Laing et al, 2006;Nabhani and Bamford, 2004;Parkkari et al, 1994;Robinovitch et al, 1995), likely due to decreased stiffness and increased energy absorption. The observed effect of anterior-posterior pad width on force attenuation is also logical, as a wider pad allows energy to be shunted further from the proximal femur.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Increasing the thickness of protective devices has previously been shown to increase force attenuation during sideways falls on the hip (Laing et al, 2006;Nabhani and Bamford, 2004;Parkkari et al, 1994;Robinovitch et al, 1995), likely due to decreased stiffness and increased energy absorption. The observed effect of anterior-posterior pad width on force attenuation is also logical, as a wider pad allows energy to be shunted further from the proximal femur.…”
Section: Discussionmentioning
confidence: 99%
“…4) through dynamic indentation tests with a servohydraulic testing system (Fas-tTrack ™ 8874, Instron Corporation, Canton, MA, USA). We used a rigid hip-shaped indenter that matched the pelvic surface geometry of a female model of body mass 49.1 kg and height 1.55 m (Laing et al, 2006). Trials were conducted using ramp loading and unloading rates of 35 mm/s to a peak force of 4 kN, the approximate peak load applied to the hip during a sideways fall from standing (Laing and Robinovitch, 2009;Laing et al, 2006).…”
Section: Force-deflection Variablesmentioning
confidence: 99%
“…To conduct a trial, we first positioned the participant lying on her left side, with her left shoulder flexed overhead, hips flexed at 45 degrees, and knees flexed at 75 degrees. This position simulates a sideways fall where the shin and upper extremity contact the ground just before the pelvis (Laing and Robinovitch, 2008a;Laing et al, 2006), as observed in video recordings of real-life falls experienced by older adults in long-term care facilities (Robinovitch et al, 2009b). The participant wore tight-fitting cycling shorts during the trials.…”
Section: Experimental Protocolmentioning
confidence: 99%
“…A promising intervention approach that is particularly relevant for high-risk settings is to decrease the stiffness of the floor to attenuate impact forces in the event of a fall (Casalena et al, 1998;Maki and Fernie, 1990;Laing et al, 2006;Laing and Robinovitch, 2009;Laforest et al, 2000;Nevitt and Cummings, 1993;Simpson et al, 2004;Healey, 1994). While the clinical effectiveness of intervention strategies such as exercise, pharmacological agents, and wearable hip protectors depend on active user compliance and adherence, novel compliant floors are a passive intervention approach that may protect against multiple types of fall-related injuries.…”
Section: Introductionmentioning
confidence: 99%