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Citeable URL: http://ir.library.oregonstate.edu/concern/articles/5712m819h

To the best of our knowledge, one or more authors of this paper were federal employees when contributing to this work. This is the publisher’s final pdf. The published article is copyrighted by Taylor & Francis and can be found at:  http://www.tandfonline.com/loi/terg20#.VO5VdmMywS4.

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Creator	Kincl, Laurel Lowe, Brian Lu, Ming-Lun Bhattacharya, Amit Succop, Paul
Abstract or Summary	This study investigated the effects of visual cues, muscular fatigue, task performance and experience of working on inclined surfaces on activity of postural muscles in the lower limbs associated with maintaining balance on three inclined surfaces – 08, 148 and 268. Normalised electromyographic (NEMG) data were collected in 44 professional roofers bilaterally from the rectus femoris, biceps femoris, tibialii anterior and gastrocnemii medial muscle groups. The 50th and 95th percentile NEMG amplitudes were used as EMG variables. Results showed that inclination angle and task performance caused a significant increase in the NEMG amplitudes of all postural muscles. Visual cues were significantly associated with a decrease in the 95th percentile EMG amplitude for the right gastrocnemius medial and tibialis anterior. Fatigue was related to a significant decrease in the NEMG amplitude for the rectus femoris. Experience of working on inclined surfaces did not have a significant effect on the NEMG amplitude.
Resource Type	Article
DOI	10.1080/00140139.2014.968634
Date Available	2015-02-25T23:09:02+00:00
Date Issued	2014-10-21
Citation	Lu, M. L., Kincl, L., Lowe, B., Succop, P., & Bhattacharya, A. (2014). Muscular activity of lower limb muscles associated with working on inclined surfaces. Ergonomics, 58(2), 278-290. doi:10.1080/00140139.2014.968634
Series	Vol. 58 no. 2 Ergonomics
Keyword	EMG Inclined surfaces Visual cues Postural stability Fatigue
Rights Statement	Copyright Not Evaluated
Funding Statement (additional comments about funding)	The funding for this study was provided by the National Institute for Occupational Safety and Health [grant number R01-OH03400].
Publisher	Taylor & Francis
Peer Reviewed	Yes
Language	English [eng]
Replaces	http://hdl.handle.net/1957/55208
Additional Information	description.provenance : Submitted by Erin Clark (erin.clark@oregonstate.edu) on 2015-02-25T23:08:14Z No. of bitstreams: 1 KinclLaurelPHHSMuscularActivityLower.pdf: 424377 bytes, checksum: 51fec9ee5702fb31454e6f9436c86e4e (MD5) description.provenance : Made available in DSpace on 2015-02-25T23:09:02Z (GMT). No. of bitstreams: 1 KinclLaurelPHHSMuscularActivityLower.pdf: 424377 bytes, checksum: 51fec9ee5702fb31454e6f9436c86e4e (MD5) Previous issue date: 2014-10-21 description.provenance : Approved for entry into archive by Erin Clark(erin.clark@oregonstate.edu) on 2015-02-25T23:09:02Z (GMT) No. of bitstreams: 1 KinclLaurelPHHSMuscularActivityLower.pdf: 424377 bytes, checksum: 51fec9ee5702fb31454e6f9436c86e4e (MD5)

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