No
because there is no 2 separate words that connect to each other and make one word
The word what've is a contraction, a shortened form for 'what have', an pronoun and a verb. The contraction performs as an auxiliary verb, for example 'what've you been doing...' (you have been doing what).
A sit up is an eccentric muscle contraction.
=1. Throwing a ball in a football match - this would be a concentric contraction because when bringing the ball behind the head your biceps do the concentric contraction. This is because the two ends of the bicep come closer to each other when doing the action. == ==2. pomallhorses in gymnastic - this is a isometric contraction because the biceps and triceps when doing this the ends of the muscle do not come closer of get further away form each other they stay the same. == ==3. Kicking a ball in rugby - this is an concentric contraction because the ends of the hamstring get further away when doing this action therefore it is a concentric contractions.== ==4. Sit ups - when doing sit ups your abdominals get closer when you sit up form the floor there for this is a concentric contraction.=
Resistance training works by inducing muscle contraction. Doing this helps build muscles and strength. That is because muscle contraction generates tension on the muscle and forces it to move.
There is no contraction for "its not."There is a contraction for "it is" (it's).There is a contraction for "is not" (isn't).
There is no contraction for were you. There is no contraction for you were.There is a contraction for "you are" (you're).
There is no contraction. There is a contraction doesn't which means "does not."
There is no contraction. The contraction we're means "we are."
There is no contraction for I was. There is a contraction for I am (I'm) and for I have (I've).
The contraction for "were" is "we're."
There is no contraction. The contraction she'd can mean she had or she would.
The contraction for have not is haven't.