Of course you have to make a stretching. If not, you can injure yourself! Make at least half hour stretching. Stretch the muscles you are working on: arms, legs and do not forget to stretch your back! Stretching is very important!
Information on this site is provided for informational purposes only.
It is not meant to substitute for medical advice provided by your physician or other medical professional.
If you have or suspect that you have a medical problem, promptly contact your physician or health care provider.