The old idea of a musclebuilding rep range is quickly becoming a bit more of a myth. Not that it doesn't exist, (it certainly does) but that it's much bigger than we thought. Even more, it's probably best to work your muscles on the outskirts of the range most of the time.
The latest reserach on muscle building rep range:
#1 https://cutt.ly/zABZdnv
#2 https://cutt.ly/YABZQF5
RDP Resources:
Books
Micro Workouts https://amzn.to/37YrzEi
Grind Style Calisthenics https://amzn.to/32TQhQh
Smart Bodyweight Training https://goo.gl/pnJd2b
Overcoming Isometrics https://cutt.ly/CEhHblA
Bodyweight Training for Martial Arts https://cutt.ly/tEhHmDV
Bodyweight Training for Cycling https://amzn.to/2QFlAZm
Fitness Independence https://goo.gl/MTUzDZ
RDP Merch and Books on PDF: https://cutt.ly/qmrtCHp
Equipment:
NOSSK Affordable Suspension Trainers: http://bit.ly/33nlhKq
Duonamic Doorway Pullup Handles: https://bit.ly/3j5gd3D
(Use Promo code “Grindstyle” for 10% off at checkout)
PullUp Dip Equipment https://cutt.ly/kIpxGO8
R.D.P10 for 10% off
WORLDFIT Isometric equipment: https://bit.ly/3mJfbvS
DISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, I’ll receive a small commission. These links help support the Red Delta Project at no extra cost to you.