Variation in spinal load and trunk dynamics during repeated lifting exertions

KP Granata, WS Marras, KG Davis - Clinical Biomechanics, 1999 - Elsevier
… of spinal load during repeated lifting exertions. Surprisingly, experienced subjects demonstrated
significantly greater spinal loads and within-subject variability in spinal load … shear load. …

Spine loading in patients with low back pain during asymmetric lifting exertions

WS Marras, SA Ferguson, D Burr, KG Davis, P Gupta - The Spine Journal, 2004 - Elsevier
… costly problem that might be related to increased spine loads in those with LBP. However,
we know little about how the spine is loaded when those with LBP perform lifting exertions. …

Changes in trunk dynamics and spine loading during repeated trunk exertions

WS Marras, KP Granata - Spine, 1997 - journals.lww.com
… This study has shown that spine loading patterns do indeed … repetitive lifting tasks if low back
disorder risk is to be minimized. … spine loading may change as a function of repetitive lifting

An assessment of complex spinal loads during dynamic lifting tasks

FA Fathallah, WS Marras, M Parnianpour - Spine, 1998 - journals.lww.com
… Because the experimental exertions were truly dynamic, rate of loading was also quantified.
This parameter has been shown to be a sensitive measure for reflecting the effect of …

Spinal loads during individual and team lifting

GJ Dennis, RS Barrett - Ergonomics, 2002 - Taylor & Francis
lifting tasks. … the spinal loads associated with individual lifts and team lifts. Several studies
have also investigated the mechanical loads associated with patient transfers using team lifting

Spine loading as a function of lift frequency, exposure duration, and work experience

WS Marras, J Parakkat, AM Chany, G Yang, D Burr… - Clinical …, 2006 - Elsevier
… bouts, subjects performed a limited number of exertions and spine load magnitudes were
assumed to represent those experienced throughout the course of a workday. However, …

The influence of trunk muscle coactivity on dynamic spinal loads

KP Granata, WS Marras - Spine, 1995 - journals.lww.com
… The purpose of this study was to examine the influence of muscle coactivity on modeled
spinal load that occur during lifting exertions. The biomechanical literature" demonstrates that …

Lumbar loading during lifting: a comparative study of three measurement techniques

I Kingma, CTM Baten, P Dolan, HM Toussaint… - Journal of …, 2001 - Elsevier
… In order to regulate spinal loading in the workplace, it is necessary to measure it accurately.
… to calculate spinal loading when eight volunteers performed a total of eight lifts in a …

Loads on spinal tissues during simultaneous lifting and ventilatory challenge

SM McGill, MT Sharratt, JP Seguin - Ergonomics, 1995 - Taylor & Francis
lifted, and isometrically held, large loads (73-95 kg) and breathed a 10%CO 2 gas mixture
to elevate breathing (both with and without hand-held loads). … rate and spine kinematics, …

Effects of posture on dynamic back loading during a cable lifting task

S Gallagher, WS Marras, KG Davis, K Kovacs - Ergonomics, 2002 - Taylor & Francis
… This study evaluated spinal loads associated with lifting and hanging heavy mining cable in
a variety of postures. … Figure 1 shows a subject lifting the case during a calibration exertion. …