why need stretching ?

Why should you stretch?
It builds bigger, better-quality muscles.

Stretching helps prevent postural problems.

Stretching will improve appearance, flexibility, health, and 

overall performance. First, warm-up for 5-10 minutes at a low 

intensity (such as the elliptical machine, exercise bike, or 

treading mill) and stretch the muscles used.

If your workout time allows it, a cardiovascular exercise for 

at least 20 minutes at a faster pace is recommended. Then, a 5

-10 minute cooldown at low intensity should be completed. cool 

down for 5-10 minutes at a low intensity (50-60 per cent of 

your maximum heart rate). Now that you've warmed up, you should 

stretch every major muscle group.

It results in far less muscle-pulling overextension injuries

compared to not stretching.

Simple stretches increase range of motion.

It improves muscle appearance.

Flexibilty exercises help prevent overuse injuries from

occuring.

Stretching gives you more flexibility, which prevents soreness,

allowing for faster recovery and better muscle growth.

Stretching allows for a more active lifestyle later in life.

It invigorates the circulatory, respiratory and neuromuscular

systems.