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An ergonomics assessment of three simulated 120 m ladder ascents: A comparison of novice and experienced climbers

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This study investigated the ergonomics of three simulated 120 m vertical ladder ascents and differences between novice (NC) and experienced climbers (EC). Seven EC and 10 NC undertook three 120 m climbs; comprising of four 30 m climbs. Ascending 120 m was reported as a high physical demand, supported by high peak HRs (~173 b.min−1 across the three climbs) and VO2 (~3.1 L.min−1 across the three climbs). Grip strength and endurance were significantly (p < 0.05) impaired by ascents. With multiple ascents, toe clearance was reduced (Climb 1 – 0.0515 m; Climb 3 – 0.046 m), and participants reached higher with their arms (shoulder angle: Climb 1 – 117°; Climb 3 – 136°). NC demonstrated less range of movement through the hips (NC – 46°; EC – 58°), and higher muscle activation in the upper body (NC – 60%; EC – 49%). Experience reduced cumulative climbing times (exercise + rest), whilst maintaining the same physiological demand as NC and maintained optimised movement patterns for longer.
Original languageEnglish
Article number103043
JournalApplied Ergonomics
Volume85
Early online date7 Jan 2020
DOIs
Publication statusEarly online - 7 Jan 2020

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  • An Ergonomics Assessment

    Accepted author manuscript (Post-print), 974 KB, PDF document

    Due to publisher’s copyright restrictions, this document is not freely available to download from this website until: 7/01/21

    Licence: CC BY-NC-ND

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