pone.0243669.g003.tif (4.73 MB)
Average EMG curves.
figure
posted on 2021-08-31, 17:27 authored by Michal Struška, Martin Hora, Thomas R. Rocek, Vladimír SládekResults are shown for athletes (yellow, dashed line) and nonathletes (blue, solid line) during saddle quern (left column), clockwise rotary quern (middle column), and anticlockwise rotary quern (right column) grinding. Darker lines and colored areas indicate the means and ± standard deviations, respectively. See Table 1 for abbreviations of muscles.
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upper limb trainingupper limb loadingupper limb bones10 female rowersrotary quern grindingwhether previous analysisearly agricultural femalesbiceps brachii musclehuman humeral robusticity25 female nonathletessaddle quern grindingpreviously used fourlower muscle activationmuscle activationcereal grindingprevious researchearly holocenemuscle modelsmuscle modellower activationsufficiently comparablespecifically indicativeskeletal indicatorsposterior deltoidphysical activitymeasured muscleshigh involvementelectromyographic activityathletic sampleanother implicationanalyzed usinganalyzed muscles
