Let's look at the three types of core strength:
Isometric: Holding a certain position for time with tension.
Anti-Rotational: Being able to resist an external force trying to pull you out of position.
Rotational/Moving: Being able to maintain controlled bracing with movement.
Failure to...
Need a little advice, my 12 year on son wants to start working out with me 2-3 days a week. Thinking of taking him on my off days to focus on him.
He is very athletic always played sports, he is 5’10” and about 115 lbs. just went to 7th grade and sees some of the older kids are getting jacked...