Yes. It makes the exercise much less effective. http://www.exrx.net/Kinesiology/Errors.html#anchor972930
yes.
for sure in the shoulder:(
Bad posture?
it is bad
yes
She cancelled the her 2011 tour because of bad performing.
1988
Smoking is bad for your health.
If they are in a cast, you can't. That's why it begins to smell bad.
Throwing salt over the shoulder is a superstition believed to ward off evil spirits or bad luck. It is thought that spilling salt brings bad luck, so throwing it over the shoulder is a way to counteract this belief.
yes
No. If it goes down but not up, it most likely is a bad switch.