Gwanseob Shin

Works (6)

Updated: July 5th, 2023 15:58

2006 journal article

Differences in trunk kinematics and ground reaction forces between older and younger adults during lifting

INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS, 36(9), 767–772.

By: G. Shin n, M. Nance n & G. Mirka n

author keywords: trunk kinematics; aging; lifting; ground reaction force
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Added: August 6, 2018

2005 journal article

A study of lifting tasks performed on laterally slanted ground surfaces

ERGONOMICS, 48(7), 782–795.

By: Z. Jiang n, G. Shin n, J. Freeman n, S. Reid n & G. Mirka n

author keywords: asymmetric lifting; surface angle; biomechanical model; slant; slope; slip
MeSH headings : Adult; Biomechanical Phenomena; Electromyography; Female; Humans; Lifting; Male; Posture; Task Performance and Analysis; United States; Weight-Bearing
TL;DR: The results of the dynamic lifting tasks revealed a consistent reduction in the peak dynamic L5/S1 moment and an increase in the instability producing lateral forces with increasing slant angle, providing quantitative insight into the response of the human lifter under these adverse lifting conditions. (via Semantic Scholar)
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2005 journal article

The effect of a repetitive, fatiguing lifting task on horizontal ground reaction forces

JOURNAL OF APPLIED BIOMECHANICS, 21(3), 260–270.

By: Y. Shu n, J. Drum n, S. Southard n, G. Shin n & G. Mirka n

author keywords: slip; agriculture; lumbar injury
MeSH headings : Accidental Falls / prevention & control; Adult; Back / physiology; Back Injuries / prevention & control; Biomechanical Phenomena; Fatigue; Female; Humans; Male; Muscle, Skeletal / physiology; Occupations; Task Performance and Analysis; Weight Lifting / physiology
TL;DR: Evaluating the effects of lifting-induced fatigue of the low back extensors on lifting kinematics and ground reaction forces indicates significant increases in the magnitude of the peak anterior/posterior and peak lateral shear forces with increasing time into the lifting bout. (via Semantic Scholar)
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2005 journal article

Use of the CABS methodology to assess biomechanical stress in commercial crab fishermen

APPLIED ERGONOMICS, 36(1), 61–70.

By: G. Mirka n, G. Shin n, K. Kucera * & D. Loomis *

author keywords: biomechanics; low back injury; commercial crab fishing
MeSH headings : Biomechanical Phenomena; Fisheries; Humans; Image Processing, Computer-Assisted; Lumbar Vertebrae / physiopathology; Male; Occupational Diseases / physiopathology; Posture / physiology; Ships; Stress, Physiological / physiopathology; Weight-Bearing / physiology
TL;DR: The results of this analysis show significant inter and intra-crewmember variability in the stress measures during regular daily work activities, and a more even distribution of the high stress activities between the crewmembers. (via Semantic Scholar)
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2004 journal article

Influence of knee angle and individual flexibility on the flexion-relaxation response of the low back musculature

JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY, 14(4), 485–494.

By: G. Shin n, Y. Shu n, Z. Li  n, Z. Jiang  n & G. Mirka n

author keywords: EMG; flexion-relaxation; flexibility; knee angle
MeSH headings : Adult; Analysis of Variance; Back; Biomechanical Phenomena; Electromyography; Humans; Isometric Contraction / physiology; Knee Joint / physiology; Leg / physiology; Male; Muscle Contraction / physiology; Muscle Relaxation / physiology; Muscle, Skeletal / physiology; Posture / physiology; Thigh / physiology; Thorax; Weight-Bearing / physiology
TL;DR: Evaluated flexion-relaxation response results confirm previous results with regard to the contribution of the passive tissues to the overall trunk extension moment but also show that the tension in the bi-articular biceps femoris, which was influenced by knee flexion angle and flexibility, affects the ratio of active extensor moment contributions of the lumbar extensor musculature to passive extensor moments contributions from the muscular and ligamentous tissues. (via Semantic Scholar)
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2004 journal article

The effects of a sloped ground surface on trunk kinematics and L5/S1 moment during lifting

ERGONOMICS, 47(6), 646–659.

By: G. Shin n & G. Mirka n

author keywords: lifting technique; slope; biomechanical model; L5; S1 joint moment
MeSH headings : Adult; Biomechanical Phenomena; Female; Humans; Joints / physiology; Lifting; Lumbar Vertebrae; Male; Muscle, Skeletal / physiology; Posture; Task Performance and Analysis; Torque; Work / physiology
TL;DR: The results of this study indicate that ground slope angle does influence the lifting kinematics and kinetics and therefore needs to be considered when evaluating risk of low back injury in these working conditions. (via Semantic Scholar)
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