Zhang et al. 2020, Optical heart-rate accuracy meta-analysis
44 studies: optical HR near-accurate at rest but underestimates under high motion, worst in cycling and resistance work. Strong.
| resource | https://pubmed.ncbi.nlm.nih.gov/32552580/ |
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44 studies: optical HR near-accurate at rest but underestimates under high motion, worst in cycling and resistance work. Strong.