An "experienced weightlifter" refers to someone who has been lifting weights for a significant amount of time and has gained knowledge, skill, and proficiency in this activity. Full definition
The less experienced the weightlifter, the greater the difference between the muscle activation in the bench press and Smith machine press. (ironmanmagazine.com)
In the latest study, two groups of experienced weightlifters were recruited to undergo 12 weeks of whole - body training. (breakingmuscle.com)
[12] In these videos, he gives tips for more experienced weightlifters, while warning against overexertion and improper form. (en.wikipedia.org)