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	1.	A method to quantify frequency and duration of sustained low-level muscle activity as a risk factor for musculoskeletal discomfort. [electronic resource] by Østensvik, Tove Veiersted, Kaj Bo Nilsen, Petter Producer: 20090602 In: Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology vol. 19 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Association between numbers of long periods with sustained low-level trapezius muscle activity and neck pain. [electronic resource] by Ostensvik, Tove Veiersted, Kaj Bo Nilsen, Petter Producer: 20100315 In: Ergonomics vol. 52 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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