If you've been working out regularly but your muscle growth has stopped, it may not be the number or intensity of your workouts. It could be how quickly you're going. Slow eccentrics and time under strain are two ideas that don't get enough attention in regular training conversations, but they're behind some of the biggest gains in hypertrophy.
Slow eccentric training is the planned slowing down of the eccentric contraction, which is what happens when you lower a weight during a resistance exercise. When you extend the lowering phase, you increase the time that your muscles are under stress.
It is important for hypertrophy training because mechanical tension makes muscles grow, and longer tension makes an even stronger trigger for adaptation. Any action has three parts: the eccentric, the concentric, and the isometric. The eccentric part puts the most stress on the muscles.
Changing the speed doesn't need heavier loads. You're actually making mild weights harder by controlling how long your muscles are working.
When combined with longer periods of stress, this makes a strong growth stimulus that you can't always get by just adding weight.
When you use slow eccentrics to continue the lowering phase, you put your muscle fibers under more stress for longer, which makes the growth stimulus stronger. This constant tightness causes metabolic stress and mechanical loading at the same time, which both help muscles grow. Staying focused during each repeat instead of rushing through the movement also strengthens the link between your mind and muscles. You shouldn't use time under stress instead of progressive overload, though.
It works best as an extra tool that helps you get more out of modest loads while still gradually challenging your muscles. Don't use it instead of steady, measurable strength gains; instead, use it wisely.
As you get better, change the speed of the repetitions based on how hard and how often you are training. Instead of extreme slowdowns that hurt the load, higher-intensity blocks need moderate changes in the pace. Lower-intensity hypertrophy stages make it possible for longer eccentrics to keep up tension for a longer time.
Don't change the tempo of every practice at the same time. When control is most important, put compound and isolation motions first. Keep an eye on your progress and slowly change your tempo strategies to make sure you keep making progress without going beyond your recovery ability.
Isolation exercises, such as dumbbell curls, lateral raises, and tricep extensions, also help you build a stronger link between your mind and targeted muscles by rewarding controlled exercise execution.
You can slow down the eccentric contraction on the way back without affecting the concentric contraction. Lat pulldowns and cable rows are two examples of these. If you put these workouts at the top of your hypertrophy program, you can be sure that changing the speed of the movement will actually help your muscles grow, not just slow it down for no reason.
What Are Slow Eccentrics and Time Under Tension?
Slow eccentric training is the planned slowing down of the eccentric contraction, which is what happens when you lower a weight during a resistance exercise. When you extend the lowering phase, you increase the time that your muscles are under stress.
It is important for hypertrophy training because mechanical tension makes muscles grow, and longer tension makes an even stronger trigger for adaptation. Any action has three parts: the eccentric, the concentric, and the isometric. The eccentric part puts the most stress on the muscles.
Changing the speed doesn't need heavier loads. You're actually making mild weights harder by controlling how long your muscles are working.
Why Slow Eccentrics Trigger More Muscle Growth
By making your body use more motor units to control the action, slow eccentrics also help your muscles work better. Your muscles are always under stress, so they can't coast through the rep.When combined with longer periods of stress, this makes a strong growth stimulus that you can't always get by just adding weight.
How Time Under Tension Maximizes Hypertrophy
If you're doing a set of exercises, time under tension is one of the most important factors that decides how much your muscles grow.When you use slow eccentrics to continue the lowering phase, you put your muscle fibers under more stress for longer, which makes the growth stimulus stronger. This constant tightness causes metabolic stress and mechanical loading at the same time, which both help muscles grow. Staying focused during each repeat instead of rushing through the movement also strengthens the link between your mind and muscles. You shouldn't use time under stress instead of progressive overload, though.
It works best as an extra tool that helps you get more out of modest loads while still gradually challenging your muscles. Don't use it instead of steady, measurable strength gains; instead, use it wisely.
How to Program Tempo Work for Consistent Gains
To program tempo work well, you need to give each phase of a lift a specific number value. People usually represent the eccentric, pause, concentric, and restart phases as a four-digit sequence. A popular way to start resistance training is with a 3-0-1-0 tempo, which means that the eccentric part lasts for three seconds and the concentric part stays explosive.As you get better, change the speed of the repetitions based on how hard and how often you are training. Instead of extreme slowdowns that hurt the load, higher-intensity blocks need moderate changes in the pace. Lower-intensity hypertrophy stages make it possible for longer eccentrics to keep up tension for a longer time.
Don't change the tempo of every practice at the same time. When control is most important, put compound and isolation motions first. Keep an eye on your progress and slowly change your tempo strategies to make sure you keep making progress without going beyond your recovery ability.
The Best Exercises for Slow Eccentric Training
It's important to focus your speed work where it will have the most effect, since slow eccentric training doesn't work the same way for every exercise. Slow eccentrics work well with compound exercises like the Romanian deadlift, the bench press, and squats because they work large muscle groups through large ranges of motion, putting them under stress for a long time.Isolation exercises, such as dumbbell curls, lateral raises, and tricep extensions, also help you build a stronger link between your mind and targeted muscles by rewarding controlled exercise execution.
You can slow down the eccentric contraction on the way back without affecting the concentric contraction. Lat pulldowns and cable rows are two examples of these. If you put these workouts at the top of your hypertrophy program, you can be sure that changing the speed of the movement will actually help your muscles grow, not just slow it down for no reason.
