First and foremost, I try to educate you so
that you not only know how to perform exercises properly, but so that
you also know WHY it is the proper way.
Here goes.....
The Hamstring is a group of 3 muscles.
As most of you know, these muscles act to flex the knee joint.
Semimembranosus, Semitendonosus, and Biceps femoris. The one HUGE factor
that many of you do not know is that two of these muscles also act to
extend the hip joint (therefore they effect TWO joints!).
Why do you care or why does this matter?
Well, as with any exercise you do, your goal should be to get a muscle
as short as possible(atleast at some point during the workout) -ex/full
squeeze on a leg extension is a greater contraction(shortening) than you
can get on a leg press or squat.
Ever notice when you start
going heavy on leg curl that your ass starts kicking up in the air? Well
this is because the body has a natural defense mechanism that tries to
keep a muscle from getting too short(so it kicks your ass up which
actually LENGTHENS the hamstring from the opposite end.) Muscles are
weakest at their extremes of the range, so your body tries to avoid
these positions. Doing the exercise this way, shortens the muscle from
both ends!!
Whats my point?
In order for you to get a maximal contraction of the hamstring, the HIP JOINT must be extended!
For you non-fitness geeks out there, this means essentially what you
might look like if you were standing perfectly tall and just slowly
extended one leg straight behind you without bending over at all(keep
chest up). This movement may only be 3 or 4 inches behind you until you
feel it start to stretch in the front of your hip, or feel your glute
contract.
While maintaining this position of Hip Extension, now try
to curl your leg. Even with no weight, you will feel a crazy
contraction. Right?
Transferring this to the weight room.....
The easiest way to know you're in the proper position to execute this
movement, is to ensure that your chest is up and your hips are thrust
forward(until your glutes contract).
Keep the glutes contracted thru
the entire movement, letting your butt kick up in the air takes stress
and tension off the hamstrings.
You will need to use
SIGNIFICANTLY LESS weight as first. This is a new movement and it is
getting the muscle much shorter than you ever have before. (muscles are
weakest at their extremes of the range remember!) The cool part is, if
you get your hamstrings strong in this REALLY short position, it will be
exponentially stronger in the midpoint of the range.... what does all
this mean???
GROWTIIIIME!!!!
Take 6 weeks(42 days) to learn
this before trying to go heavy. One key point to remember, (THIS IS
HUGE....) "when trying to learn a movement(or motor pattern-as your
body/brain know it), forced reps will actually slow down progress
because it will teach improper movement patterns" The goal of learning
any new movement is to do it perfectly with no flaws until you can do it
without thinking about it. Assume it will take about 6 weeks minimum.
Now GET TO WORK! And don't be afraid to send me pics of your badass new hammers in 6 weeks! #EducateAndDominate
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