Understanding how muscles grow is the key difference between training hard and training effectively. Muscle hypertrophy is ...
Some people love being sore after a workout because it feels like an affirmation that they put the work in. Other people want to avoid it at all costs because it discourages further workouts for them.
12-minute bodyweight workout after 55, with exclusive quotes from certified trainer Michael Betts. Get the 6-move plan.
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