Choose from options: Determine if the sentence is true based on the text below:
Stretching muscles guarantees that muscles will not be strained.

How to touch your toes<br>Do stretching after a warm-up or exercise. Many people don't consider the muscle groups in their lower back when considering flexibility, but you can stretch these muscles to help avoid strains for any number of exercises. The cat-camel stretch is a great way to stretch lower back muscles.
Options: (a). Yes (b). It's impossible to say (c). No
(b).