Seriously, there might be a performance benefit from putting on a game face, which is something I’ve never thought about.
https://www.ncbi.nlm.nih.gov/m/pubmed/31612592/
Swimming Workout of the Day:
Favourite Swim Sets:
2020 National Masters Champion - M50-54 - 50m Butterfly
https://www.ncbi.nlm.nih.gov/m/pubmed/31612592/
Swimming Workout of the Day:
Favourite Swim Sets:
2020 National Masters Champion - M50-54 - 50m Butterfly