Search Results - "Pretty, Steven P."

Force magnitude and distribution during impacts to the hip are affected differentially by body size and body composition by Levine, Iris, Pretty, Steven P., Mourtzakis, Marina, Laing, Andrew C.

“…Hip fractures are a severe health concern among older adults. While anthropometric factors have been shown to influence hip fracture risk, the low fidelity of…”
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Femur geometry and body composition influence femoral neck stresses: A combined fall simulation and beam modelling approach by Pretty, Steven P., Mourtzakis, Marina, Laing, Andrew C.

“…Metrics of femur geometry and body composition have been linked to clinical hip fracture risk. Mechanistic explanations for these relationships have generally…”
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Factors that influence the distribution of impact force relative to the proximal femur during lateral falls by Pretty, Steven P., Levine, Iris C., Laing, Andrew C.

“…In-vivo fall simulations generally evaluate hip fracture risk through differences in impact force magnitude; however, the distribution of force over the hip…”
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Anatomically Aligned Loading During Falls: Influence of Fall Protocol, Sex and Trochanteric Soft Tissue Thickness by Pretty, Steven P., Levine, Iris C., Laing, Andrew C.

“…Fall simulations provide insight into skin-surface impact dynamics but have focused on vertical force magnitude. Loading direction and location (relative to…”
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Application of Principal Component Analysis to Forward Reactive Stepping: Whole-body Movement Strategy Differs as a Function of Age and Sex by Armstrong, Daniel P., Pretty, Steven P., Weaver, Tyler B., Fischer, Steven L., Laing, Andrew C.

“…•Differences in reactive stepping strategy were seen between age and sex groups•Older adults had greater step length and width with more forward body…”
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The Influence of Body Mass Index, Sex, & Muscle Activation on Pressure Distribution During Lateral Falls on the Hip by Pretty, Steven P., Martel, Daniel R., Laing, Andrew C.

“…Hip fracture incidence rates are influenced by body mass index (BMI) and sex, likely through mechanistic pathways that influence dynamics of the pelvis-femur…”
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The influence of increased passive stiffness of the trunk and hips on balance control during reactive stepping by Pretty, Steven P., Armstrong, Daniel P., Weaver, Tyler B., Laing, Andrew C.

“…•During a trip, increased trunk and hip stiffness negatively influence body control.•Increased stiffness necessitated larger lateral shear ground reaction…”
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The Effects of Body Position on Trochanteric Soft Tissue Thickness-Implications for Predictions of Impact Force and Hip Fracture Risk During Lateral Falls by Lafleur, Benoit R, Tondat, Alyssa M, Pretty, Steven P, Mourtzakis, Marina, Laing, Andrew C

“…Trochanteric soft tissue thickness (TSTT) is a protective factor against fall-related hip fractures. This study's objectives were to determine: (1) the…”
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Pelvis and femur geometry: Relationships with impact characteristics during sideways falls on the hip by Levine, Iris C., Pretty, Steven P., Nouri, Parvaneh K., Mourtzakis, Marina, Laing, Andrew C.

“…While metrics of pelvis and femur geometry have been demonstrated to influence hip fracture risk, attempts at linking geometry to underlying mechanisms have…”
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The influence of muscle activation on impact dynamics during lateral falls on the hip by Martel, Daniel R., Levine, Iris C., Pretty, Steven P., Laing, Andrew C.

“…Muscle activation has been demonstrated to influence impact dynamics during scenarios including running, automotive impacts, and head impacts. This study…”
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Body configuration as a predictor of centre of mass displacement in a forward reactive step by Armstrong, Daniel P., Pretty, Steven P., Weaver, Tyler B., Laing, Andrew C.

“…•Body configuration is associated with AP COM displacement during trip recovery.•Associations were stronger in conditions with increased passive joint…”
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