Research on Vertimax Power Training
Muscle power increases 4 to 6 times more if using the Vertimax in a training program, as compared to using oter, more known weight training forms and plyometrics, both in College as in High school Athletes. After 12 weeks of training, Jump height improved 11,43 cm in the Vertimax group, as compared to 4,57 cm in the control group. Dr. M. Rhea concludes from these results that including the Vertimax in the regular training leads to better results as compared to other programs (J. Strength Cond. Res. 2008).
- M. Rhea, An examination of the Vertimax resisted Jumping device for improvements in lower body power in highly trained college athletes. J. Strength Cond Res vol 22, 2008, 3
- M. Rhea, The effectiveness of resisted jump training on the Vertimax in high school athletes. J. Strength Cond Res vol 22, 2008, 3
Power training, a rational
The improvement of muscle power is one of the most important determinants for performance of athletes, low strainable persons and revalidants. Power (P) is the product of force (F) and velocity (v), in formula: P = F x v. The amount of power that can be delivered depends on the speed.
- Power is the most decisive factor in sports performance
- Power drops 3 times faster than strength during aging
- Lack of Power, not lack of strength, is the determining factor in fall
- Power is the result of strength, speed, stability and coordination.
Training Specificity
Power improvement also depends on the speed of movement which is trained. If someone performs slow movements then - at sufficient strain - power at low speed increases, but much less or not at all at high speed. The movement speed during most daily activities (including sports) is high, higher than the speed one can reach on most devices. During "Iso-inertial' exercises the resistance is constant. According to the literature the maximum power is delivered at a resistance of about 30% of the maximum force.
Vertimax or Weight Vest (or dumbbell)?
The distinction between the Vertimax and jumping with a weight vest is the resistance. Stationary the resistance is the same. In the beginning of the jump start (if speed is low) the resistance with the weight vest is higher. At the end of the jump start (if speed is high) the resistance with Vertimax is still at least the same, while with a weight vest it's much lower. Interestingly, a jump with a weight vest is slower than a leap without resistance, while a jump with the Vertimax is executed as fast or even faster. This is especially noticeable in a free jump after practicing with the resistance: the jump after a Vertimax training is higher.
Movement Specificity
Movement also plays a role. At a lot of freedom of movement more muscles co-operate (e.g. for stability). Performing exercises that are similar to the target activity provides the best coordinative training effects. Regarding this the jumps with weight vest or Vertimax are similar to a free jump as opposed to for instance a squat with heavy weights.
Literature
Click here for an overview of literature about Vertimax and power training.
Muscle power increases 4 to 6 times more if using the Vertimax in a training program, as compared to using oter, more known weight training forms and plyometrics, both in College as in High school Athletes. After 12 weeks of training, Jump height improved 11,43 cm in the Vertimax group, as compared to 4,57 cm in the control group. Dr. M. Rhea concludes from these results that including the Vertimax in the regular training leads to better results as compared to other programs (J. Strength Cond. Res. 2008).
- M. Rhea, An examination of the Vertimax resisted Jumping device for improvements in lower body power in highly trained college athletes. J. Strength Cond Res vol 22, 2008, 3
- M. Rhea, The effectiveness of resisted jump training on the Vertimax in high school athletes. J. Strength Cond Res vol 22, 2008, 3
Power training, a rational
The improvement of muscle power is one of the most important determinants for performance of athletes, low strainable persons and revalidants. Power (P) is the product of force (F) and velocity (v), in formula: P = F x v. The amount of power that can be delivered depends on the speed.
- Power is the most decisive factor in sports performance
- Power drops 3 times faster than strength during aging
- Lack of Power, not lack of strength, is the determining factor in fall
- Power is the result of strength, speed, stability and coordination.
Training Specificity
Power improvement also depends on the speed of movement which is trained. If someone performs slow movements then - at sufficient strain - power at low speed increases, but much less or not at all at high speed. The movement speed during most daily activities (including sports) is high, higher than the speed one can reach on most devices. During "Iso-inertial' exercises the resistance is constant. According to the literature the maximum power is delivered at a resistance of about 30% of the maximum force.
Vertimax or Weight Vest (or dumbbell)?
The distinction between the Vertimax and jumping with a weight vest is the resistance. Stationary the resistance is the same. In the beginning of the jump start (if speed is low) the resistance with the weight vest is higher. At the end of the jump start (if speed is high) the resistance with Vertimax is still at least the same, while with a weight vest it's much lower. Interestingly, a jump with a weight vest is slower than a leap without resistance, while a jump with the Vertimax is executed as fast or even faster. This is especially noticeable in a free jump after practicing with the resistance: the jump after a Vertimax training is higher.
Movement Specificity
Movement also plays a role. At a lot of freedom of movement more muscles co-operate (e.g. for stability). Performing exercises that are similar to the target activity provides the best coordinative training effects. Regarding this the jumps with weight vest or Vertimax are similar to a free jump as opposed to for instance a squat with heavy weights.
Literature
Click here for an overview of literature about Vertimax and power training.
Only with Vertimax a high force is produced at a high velocity, thus producing the highest power.
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More about Vertimax
Research
The Vertimax has a constant resistance at every speed of movement. Comparison with elastics and dumbbell bar.