Search Results - "MCGORRY, Raymond W"

The validity of the first and second generation Microsoft Kinect™ for identifying joint center locations during static postures by Xu, Xu, McGorry, Raymond W.

“…The Kinect™ sensor released by Microsoft is a low-cost, portable, and marker-less motion tracking system for the video game industry. Since the first…”
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Accuracy of the Microsoft Kinect™ for measuring gait parameters during treadmill walking by Xu, Xu, McGorry, Raymond W, Chou, Li-Shan, Lin, Jia-hua, Chang, Chien-chi

“…Highlights • This study examined the validity of Kinect sensor for assessment of gait parameters. • Spatiotemporal gait parameters and knee and hip joint…”
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Flexion relaxation and its relation to pain and function over the duration of a back pain episode by McGorry, Raymond W, Lin, Jia-Hua

“…Relaxation of the erector spinae often occurs in healthy individuals as full trunk flexion is achieved when bending forward from standing. This phenomenon,…”
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A regression model predicting isometric shoulder muscle activities from arm postures and shoulder joint moments by Xu, Xu, McGorry, Raymond W, Lin, Jia-Hua

“…Abstract Tissue overloading is a major contributor to shoulder musculoskeletal injuries. Previous studies attempted to use regression-based methods to predict…”
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Effect of grip type, wrist motion, and resistance level on pressures within the carpal tunnel of normal wrists by McGorry, Raymond W., Fallentin, Nils, Andersen, Johan H., Keir, Peter J., Hansen, Torben B., Pransky, Glenn, Lin, Jia-Hua

“…ABSTRACT Elevated carpal tunnel pressure (CTP) has been associated with carpal tunnel syndrome. This study systematically evaluated the effect of wrist motion…”
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Effects of handle orientation and between-handle distance on bi-manual isometric push strength by Lin, Jia-Hua, McGorry, Raymond W., Chang, Chien-Chi

“…Hand–handle interface is seldom considered in contemporary upper limb biomechanical analyses of pushing and pulling strength. A laboratory study was designed…”
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A survey of tools and methods used by certified professional ergonomists by Dempsey, Patrick G., McGorry, Raymond W., Maynard, Wayne S.

“…A survey of Certified Professional Ergonomists (CPEs) was conducted to gather information on the types of basic tools, direct and observational measurement…”
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Predicting subjective perceptions of powered tool torque reactions by Lin, Jia-Hua, McGorry, Raymond W.

“…Powered hand tools have the potential to produce reaction forces that may be associated with upper extremity musculoskeletal disorders. In this study,…”
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The natural angle between the hand and handle and the effect of handle orientation on wrist radial/ulnar deviation during maximal push exertions by Young, Justin G., Lin, Jia-Hua, Chang, Chien-Chi, McGorry, Raymond W.

“…The purpose of this experiment was to quantify the natural angle between the hand and a handle, and to investigate three design factors: handle rotation,…”
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Prediction accuracy in estimating joint angle trajectories using a video posture coding method for sagittal lifting tasks by Chang, Chien-Chi, McGorry, Raymond W., Lin, Jia-hua, Xu, Xu, Hsiang, Simon M.

“…This study investigated prediction accuracy of a video posture coding method for lifting joint trajectory estimation. From three filming angles, the coder…”
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Using the Microsoft Kinect™ to assess 3-D shoulder kinematics during computer use by Xu, Xu, Robertson, Michelle, Chen, Karen B., Lin, Jia-hua, McGorry, Raymond W.

“…Shoulder joint kinematics has been used as a representative indicator to investigate musculoskeletal symptoms among computer users for office ergonomics…”
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The relation between pain intensity, disability, and the episodic nature of chronic and recurrent low back pain by McGorry, R W, Webster, B S, Snook, S H, Hsiang, S M

“…An observational study on the course of chronic and recurrent low back pain and its relation to disability and medication use performed on the basis of daily…”
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Normative data on the one-handed static pull strength of a Chinese population and a comparison with American data by Or, Calvin, Lin, Jia-Hua, Wang, Hailiang, McGorry, Raymond W.

“…We assess the one-handed static pull strength of a Chinese population and compare it to that of an American sample. Fifty men and 50 women in five age groups…”
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Stabilisation times after transitions to standing from different working postures by DiDomenico, Angela, McGorry, Raymond W., Banks, Jacob J.

“…Transitioning to standing after maintaining working postures may result in imbalance and could elicit a fall. The objective of this study was to quantify the…”
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An entropy-assisted musculoskeletal shoulder model by Xu, Xu, Lin, Jia-hua, McGorry, Raymond W

“…Abstract Optimization combined with a musculoskeletal shoulder model has been used to estimate mechanical loading of musculoskeletal elements around the…”
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A regression-based 3-D shoulder rhythm by Xu, Xu, Lin, Jia-hua, McGorry, Raymond W

“…Abstract In biomechanical modeling of the shoulder, it is important to know the orientation of each bone in the shoulder girdle when estimating the loads on…”
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One-handed standing pull strength in different postures: Normative data by Lin, Jia-Hua, McGorry, Raymond W., Maynard, Wayne

“…Although one-handed pulling is commonly used in many tasks, normative data on the populational strength capacity are scarce. A strength test protocol was…”
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Evaluation of regression-based 3-D shoulder rhythms by Xu, Xu, Dickerson, Clark R, Lin, Jia-hua, McGorry, Raymond W

“…Abstract The movements of the humerus, the clavicle, and the scapula are not completely independent. The coupled pattern of movement of these bones is called…”
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Handle displacement and operator responses to pneumatic nutrunner torque buildup by Lin, Jia-Hua, McGorry, Raymond W., Dempsey, Patrick G., Chang, Chien-Chi

“…The objective of this study is to investigate the workstation and tool effects on the responses of the powered hand tool operator reacting against the…”
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The accuracy of an external frame using ISB recommended rotation sequence to define shoulder joint angle by Xu, Xu, McGorry, Raymond W, Lin, Jia-hua

“…Highlights • An external frame was designed to assist in maintaining specific shoulder postures in a wide range. • The rotation of the frame were designed to…”
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