6Train Your Stubborn Muscles More Frequently :
The majority of people who go to the gym to build muscle usually with abodybuilding split, it takes about 4 to 5 days to target every muscle group and what this results in is that you’re only training each bodypart once a week .
if you have a lagging bodypart you’re basically missing out on multiple growth periods during the week that you can be using to really focus on lagging areas.
On average our muscles take 48 to 72 hours to recover from a workout which means that in 2 to 3 days they are ready to be worked again
Six to eight weeks of training a lagging bodypart twice a week ,switch a different bodypart you would like to improve and just keep this going for as long as you need to.