Slowly extending stretches until the muscle hurts
Gradually increasing the challenge level of stretches
Quickly swinging the arms back and forth for more stretch
<span>Intensely holding stretches for five to 10 seconds</span>
Answer:
Strength building is the performance of physical exercises which are designed to improve strength and endurance.
Its classified as an additcive drug.
it crosses the blood-brain barrier.
there is a high risk of developing lung cancer.
Hope this helps!
