If you are a strength and conditioning coach, you know that power matters. Plyometrics, Olympic lifting and medicine ball throws probably are used in some form in your athletes’ programs.
But, what about your adult clients? Did you know that adults need power training as much or more than athletes? Adults are losing strength and power as they age, however power is lost at a much faster rate. In fact, it’s almost twice as fast. (1.7 to be exact). What does that mean in numbers? It means that if you are losing 10% of your strength you would lose 17% of your power? When you double that loss (20 and 34%) you can see how the loss of power is quickly magnified.
So, does that mean we want to get our adult clients doing box jumps and Olympic lifting? Probably not. There is a little concept we call risk-reward or, risk-benefit. The risk of adults starting a plyometric program or trying to learn to Olympic lift may outweigh the reward? Obviously, you are going to have some adult clients that are fit and healthy and simple plyometric exercises may be fine for them.
But what about older clients, or overweight clients? How do we help these folks stop the loss of power and in fact begin to regain it?
To do this we need to defeat our big enemy, gravity. The combination of body mass and gravity can create some real problems when training older clients, overweight clients or clients that combine the two (older and overweight). We need to find a way to get these folks to move with speed but, safely. We need to find a way to reduce both weight and gravity.
Sounds a little bit like a high school science experiment, doesn’t it? We can obviously reduce weight with diet but, that takes time. We can fight gravity by gaining strength, particularly in the lower body, but that also takes time.
Thankfully, there are two tools on the market that do in fact allow us to move with speed using loads less than bodyweight. One is the Total Gym Jump Trainer, the other is the MVP Shuttle. Having at least one of these pieces in your facility is essential if you are going to be training adult clients or, doing any type of rehab work.
The two pieces are somewhat similar. Both appear at first glance to be some version of a leg press machine but, they are far more than that. Both pieces actually allow horizontal jumping in an environment that reduces the effect of gravity. Both also incorporate elastic bands to create resistance. For years, the MVP Shuttle was the only commercial grade piece that allowed jumping in a gravity reduced environment. Total Gym has recently entered the field with a commercial piece that has a few features not present in the MVP Shuttle. The Total Gym Jump Trainer allows the user to move from a horizontal position toward a more vertical position. Load can be strictly bodyweight and increased by changing the incline of the machine or, elastic bands can be added in each position. The Total Gym adjusts toward the vertical to increase the percentage of bodyweight being used.
The Total Gym Jump Trainer (as assembled for fitness) begins at 46 % at the lowest angle of 20 degrees and then adjusts up in 7 increments topping out at 78% of bodyweight at an angle of 36 degrees. Assembled for rehab it begins at 27 % at the lowest angle of 12 degrees and then adjusts up in 7 increments topping out at 66% of bodyweight at an angle of 30 degrees. Up to 70 lbs of bungee can be added to any of these levels.
The Shuttle instead remains basically horizontal and increases resistance via the elastic bands.
The result in both cases is that a rehab client, an older adult or an overweight client can begin to jump with loads far less than bodyweight.
Both the MVP Shuttle and the Total Gym Jump Trainer can also be used in a rehab setting to introduce single leg plyometrics to injured clients and athletes. In fact the application of both pieces is probably more limited by the imagination of the coach or trainer than by the machine itself. An athlete returning from an ACL injury can begin jumps or hops far sooner when one of these pieces are used than would be possibly with bodyweight as the load.
Although I would not consider myself a machine person, I would go so far as to tell you that one of these two tools is an essential machine for every facility. If you have adult clients, young clients or rehab clients I would encourage you to “test drive” one of these two pieces.
from Michael Boyle's Strengthcoach.com Blog http://strengthcoachblog.com/2015/12/30/progressing-to-bodyweight-plyometrics/
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