Category: Science
-
New study shows very clearly that exercise counters aging
Picture here from a new study freely available at The Physician and Sportsmedicine that took detailed measurements of 40 masters athletes between the ages of 40 and 81, and found a surprising lack of age-related muscle loss. “This study contradicts the common observation that muscle mass and strength decline as a function of aging alone.…
-
Can indoor swimming in chlorinated pools cause hormone problems in boys ?
According to a recent study at the Catholic University of Louvain, indoor swimming in a chlorinated pool for as little as 30 minutes every two weeks may result in altered hormone levels in boys. The effects are most pronounced before the age of 7, and boys are particularly sensitive because the skin of the scrotum…
-
Swimming may improve bone resistance to impact
Taiwanese professor Huang Tsang-hai made rats swim for an hour a day, five days a week for eight weeks, and then measured and compared their bone mineral density (BMD) and bone mineral content (BMC) with a control group. The swimming rats lost both BMD and BMC, possibly because of weight loss, but when the femurs…
-
The Race Club: Underwater Pull Series – Introduction
This is exciting, Gary Hall Sr of the Race Club introducing part 1 of 4 part series analysing the underwater pull, digging into the classic drag versus lift discussion (or more nerdy, Newton’s second law of motion versus Bernoulli’s Principle of lift).Â
-
What happens when you fire a gun underwater ?
No, it doesn’t just go ‘pffffhht’. Smarter Every Day via Laughing Squid.
-
Drinking only to thirst (no more, no less) improves performance
Shocker, the classic dogma might be wrong, that you should ‘drink ahead of thirst, otherwise it is already to late’. This is the message of a new British Journal of Sports Medicine meta-analysis, pointing out that many of the classic studies are time-to-exhaustion tests, rather that test where you cover a given distance as fast…