Influence of Load on Three-Dimensional Segmental Trunk Kinematics in One-Handed Lifting: A Pilot Study.

Müller, J.; Müller, S.; Stoll, J.; Rector, M.; Baur, Heiner; Mayer, F. (2016). Influence of Load on Three-Dimensional Segmental Trunk Kinematics in One-Handed Lifting: A Pilot Study. Journal of Applied Biomechanics, 32(5), pp. 520-525. Human Kinetics Publishers 10.1123/jab.2015-0227

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initiated by the limbs. Descriptions of the trunk's mechanical movement patterns in response to different loads while lifting objects are still under debate. Hence, the aim of this study was to analyze the influence of weight on 3-dimensional segmental motion of the trunk during 1-handed lifting. Ten asymptomatic subjects were included (29 ± 3 y; 1.79 ± 0.09 m; 75 ± 14 kg). Subjects lifted 3× a light and heavy load from the ground up onto a table. Three-dimensional segmental trunk motion was measured (12 markers; 3 segments: upper thoracic area [UTA], lower thoracic area [LTA], lumbar area [LA]). Outcomes were total motion amplitudes (ROM;[°]) for anterior flexion, lateral flexion, and rotation of each segment. The highest ROM was observed in the LTA segment (anterior flexion), and the smallest ROM in the UTA segment (lateral flexion). ROM differed for all planes between the 3 segments for both tasks (P < .001). There were no differences in ROM between light and heavy loads (P > .05). No interaction effects (load × segment) were observed, as ROM did not reveal differences between loading tasks. Regardless of weight, the 3 segments did reflect differences, supporting the relevance of multisegmental analysis.

Item Type:

Journal Article (Original Article)

Division/Institute:

School of Health Professions
School of Health Professions > Physiotherapy
School of Health Professions > Physiotherapy > Neuromuscular Control

Name:

Müller, J.;
Müller, S.;
Stoll, J.;
Rector, M.;
Baur, Heiner0000-0002-4780-225X and
Mayer, F.

ISSN:

1065-8483

Publisher:

Human Kinetics Publishers

Language:

English

Submitter:

Admin import user

Date Deposited:

31 Jan 2020 12:13

Last Modified:

25 May 2021 14:52

Publisher DOI:

10.1123/jab.2015-0227

ARBOR DOI:

10.24451/arbor.5917

URI:

https://arbor.bfh.ch/id/eprint/5917

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