Strength training is when your muscles are performing low - frequency, high - force output activity. (blog.bridgeathletic.com)
The intensity is the same for pulling exercises, and is built through wraps to increase friction, as well as force output from the body. (onnit.com)
So flexibility feeds into proper range of movement, which feeds into proper stability, which in turn feeds into proper force output. (mindbodygreen.com)