Many people have asked me which type of exercise is better for gaining
muscle, slow or quick controlled
repetitions? The difference is in the muscle fibers. Your muscles are
composed of two kinds of muscle fibers fast-twitch which rapidly
contracts during short intense workouts. Where as slow-twitch muscle
fibers contracts slowly during prolonged workouts that are more
endurance based. I
personally believe that both are important for any athlete.
muscles are genetically determined to be composed of certain amounts of
fast and slow twitch muscles. Over time fast twitch muscle
can exibit slow twitch muscle properties with the proper training and
Fast-twitch muscle fiber is great at generating power and speed.These
muscles are easier to grow because they are used less and are
lighter in color than
slow-twitch fibers because of low levels of myoglobin. Myoglobin is an
important protein that the human body produces, it contains iron and
stores oxygen which are nessacary for our muscles to carry out cellular
respiration. than the slow-twitch muscles. Fast twitch muscles
important for sprinters, they need fast explosive power.
Fast-twitch fibers are light in color, This is important because it is
how your body breaks down chemical bonds from food to release energy.
Slow twitch muscle provides lasting endurance and energy. These fibers
hold more blood and assists in creating aerobic energy. These are
reliant on oxygen to keep the reactions going within the muscle. The
oxygen capacity can be increased through training. These fibers are
also called “red” fibers due to the increased amount of blood supply.
The more work you do with your slow-twitch muscles the more reps and
sets you should do. Also decreasing the rest time between your sets is
Ways to Train: fast-twitch muscle.
Jumps, sprints, throws.
Bench press, squats, deadlift, tire flips.
Weighted vests are great while doing pushups or pull-ups for added
micro trauma. (Which makes your body overcompensate while rebuilding
making it stronger that it was previously. This is your bodies
way to try to stop repeat damage from occurring.)
Ways to Train: slow-twitch muscle.
Do endurance exercises such as:
Swimming, rowing, and high repitition lifting.
Twitch rate per second:
Slow-twitch muscle fibers 10-30