Most weight training practitioners know what progressive overload means.
You start with 8 reps, maybe 6 sometimes if you need to get the form right. Once you get the form of an exercise right, you start practicing progressive overload. 8 reps into 1 set, then 8 reps into 2 and then 8 reps into 3.
Do it for a while and, when the 3 sets seem easy enough, increase the weight slightly.
Or go to 8-9-10 rep sets. Or a combination of both. Till you reach 12-12-12.
If you can do this for a few weeks, what started as a newbie experiment becomes a definite skill. You know how to do squats or a bench press or a deadlift well.
And if you can go on for a few months, and add a few more exercise skills to your kitty, it becomes a practice and a specific workout. And after a couple of years of different workouts towards a specific goal – it could be a workout for better health, weight loss, a toned body or a performance goal, it becomes an area of expertise..
The process of progressive overload is a well-known process for mastering weight training.
Or it could also be the process for mastering anything else.
Writing a story, or learning a new language, or a musical instrument, or a programming skill, or meditation or any other habit.
6 reps with a weight you can manage is a good starting point. Get the form right, and with the discipline of progressive overload, and the compounding of time, one never knows where one will get.
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