Another common mistake is eating right before
your training program or eating too soon after your program. This
can cause your heart and digestive system to work too hard and
compromise the oxygen and nutrient delivery to the working muscles.
Eating just before or too soon after your workout will not allow
you to get enough blood into the muscles you are training.
Think about this: Digestion takes a lot of blood
to work effectively. The more blood your body sends to digest
your food the less blood is available to go to your muscles, to
rebuild and increase strength. You should wait at least 60 minutes
after eating before you start your exercise program.
Similarly, do not eat too soon after ending
your workout because you want the blood that you just targeted
into each specific muscle to remain there as long as possible.
If you eat food too soon after your workout, the blood will be
forced out of your muscles and into your digestive system. So
wait at least 60 minutes after your program before you eat a meal.
Of course you should not go to your workouts
hungry; you definitely want nutrients in your system for performance
enhancement and energy, but try to eat an hour or more before
workouts, and make sure your meal includes foods that are rich
in complex carbohydrates and protein and low in fat, sugar, and
cholesterol.
Strength Training: Lifting Speed
One of the most important elements in weightlifting--one
that has a big effect on how much blood is targeted to your muscles--is
lifting speed. Speed plays a major role in the incidence of injury
as well as strength and muscle development. Fast lifting creates
momentum and doesn't promote blood flow to the muscle. Slow movement
creates less momentum and less internal muscle friction. Not only
does slow lifting require a more even application of muscle power
throughout the movement range, it actually promotes rapid blood
flow into the specific muscle you are training.
In every strength training exercise for every
muscle there are two different parts to each repetition of the
exercise set performed. One, the concentric contraction--called
the "positive" phase of the repetition--isthe part where
the muscle is actually doing the work, such as the lifting motion
of the bicep curl--from the beginning where your arms are hanging
straight down to the point where the weight is lifted up. The
second part
is the eccentric contraction--called the "negative"
phase of the repetition--is the part with resistance, because
you are returning the weight from the end of the positive phase
back to the beginning. In the bicep curl, this is where you let
the weight come back slowly to the beginning position, with your
arms extended straight down again.
It is more important to let the weight come
back slowly on the "negative" phase than on the "positive"
phase. Coming back slowly with resistance on every exercise is
very, very important because this is the phase that promotes blood
flow to your muscles and thus causes microtrauma, building your
muscles even stronger during your day of rest. We recommend one
to two seconds for each lifting movement (the positive phase),
and three to four seconds for each lowering movement (the negative
phase). Whatever your actual lifting speed, remember to always
come back slower with resistance (the negative phase) for each
and every weightlifting exercise. If you find that the weight
is so heavy that you cannot come back slowly in full control of
the movement, you should lighten the weight until you can. Many
people pay far too much attention to the quantity or weight of
the lift and not the quality of the movement performed. Your muscles
cannot know how much weight is on the bar or machine, but they
will respond very well when you are using good, controlled form
and come back slowly with resistance.
Please check back for Part three, where I'll
discuss the importance of proper lifting technique, exercising
through the full range of motion, proper exercise sequence, and
the correct number of sets for what you're trying to achieve.
Until then, remember to use slow lifting speeds and try to get
as much blood into the specific muscle you are training as possible.
Good luck, and enjoy all the wonderful benefits of strength training.
>>
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