Video shows what sporophyte means. A plant (or the diploid phase in its life cycle) which produces spores by meiosis in order to produce gametophytes.. Sporo...
Concentric contraction involves a shortening of the muscles under loading and is used to accelerate the body or move an object, as when you suddenly move in the opposite direction to hit the baseball.
In concentric contraction, the muscle shortens whereas, in eccentric contraction, the muscle lengthens during the contraction. Eccentric muscle contraction is important as it can prevent rapid changes in length that may damage muscle tissue and absorb shocks.