If I paid money to go to a german language class and all the instructor did was shout random words in german at me for 45 minutes, do you think that would be an effective method of learning the language?

Likewise, if I went to a Judo class and all the instructor did was throw me on my head for an hour and a half do you think I would have learned much in the way of practical application?

Then why do we go to fitness ‘classes’ to be shouted at by a sweaty psychopath for 30 to 60 minutes? Are we learning anything new or practising/executing a skill we’re proficient at?

These types of classes lack the key factors that cause the physical changes you want to achieve, consistency of practice and variation of difficulty.

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