柔術 コロナ。 ロックダウンと柔術:イギリス柔術連盟(UKBJJA)が調べたコロナの影響|Matia Okubo|note

A study into the balance of risks to mental and physical health from the 2020 lockdown and cessation of training for Brazilian Jiu Jitsu BJJ players in the UK versus the risks to physical health from Covid-19.。

78

12
。 。 。 。 。 。 。 。 。
90