
ascensionneeeded
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- Oct 3, 2024
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the theory behind sarcomere length and leverages seem to be contradictory
sarcomeres produce the most force at their optimal length which can be outwith the range of motion that a target muscle has the most leverage (where the joint angles have the greatest mechanical advantage) and can produce the most force. more force, more motor unit recruitment, more hypertrophy.
you may ask - “should i train in the ROM according to the sarcomere length or the best leverage?”
sarcomeres typically produce the most force at the mid-range of a movement whereas leverage can differ BUT will usually always be less than full ROM. by cutting the ROM you can train the muscle where it has the greatest force production while also decreasing fatigue as time under tension is decreased. this will also be beneficial as you will produce more force nearest to the optimal position for sarcomeres. both leverage and sarcomeres will be utilised at the same time, while decreasing fatigue. This will thus lead to greater hypertrophy.
since you cutting out range of motion where the range of motion can sometimes be harder (less leverage) you will be able to lift more weight. less ROM = less total force required for the same number of reps so keep that in mind.
hopefully this theory makes sense. i would definitely try to focus on training a muscle where it has the most leverage as this will reduce fatigue and also allow you to maximise sarcomere length too.
sarcomeres produce the most force at their optimal length which can be outwith the range of motion that a target muscle has the most leverage (where the joint angles have the greatest mechanical advantage) and can produce the most force. more force, more motor unit recruitment, more hypertrophy.
you may ask - “should i train in the ROM according to the sarcomere length or the best leverage?”
sarcomeres typically produce the most force at the mid-range of a movement whereas leverage can differ BUT will usually always be less than full ROM. by cutting the ROM you can train the muscle where it has the greatest force production while also decreasing fatigue as time under tension is decreased. this will also be beneficial as you will produce more force nearest to the optimal position for sarcomeres. both leverage and sarcomeres will be utilised at the same time, while decreasing fatigue. This will thus lead to greater hypertrophy.
since you cutting out range of motion where the range of motion can sometimes be harder (less leverage) you will be able to lift more weight. less ROM = less total force required for the same number of reps so keep that in mind.
hopefully this theory makes sense. i would definitely try to focus on training a muscle where it has the most leverage as this will reduce fatigue and also allow you to maximise sarcomere length too.