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Leg SpeedChain®

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Leg SpeedChain®

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The Leg SpeedChain®  is a great tool for the development of speed, agility, explosive power, muscle endurance, coordination, fast twitch muscle firing, and quick reaction time. It is an excellent device for progressive resistance, with equal and opposite pressure that result from dynamic movement. The implement provides variable resistance that allows for high acceleration at the initiation of the movement with increasing resistance at the end of the movement. Using the Leg SpeedChain®;  can result in more faster, better executed athletic moves.



  • Increase lower body strength, explosiveness, balance/symmetry, and mobility
  • Reinforces coordination versus isolated strength
  • Designed for high intensity, for short duration exercises, utilizing the body’s ATP energy system
  • Exercises can be blended with virtually any sports related movements
  • Accommodates different stride lengths and lower half mechanics
  • FREE STANDARD SHIPPING

Availability: In stock

Product Name Price Qty
Leg SpeedChain® - Medium (Strong)
$159.95
Leg SpeedChain® - Medium (X-Strong)
$169.95
Leg SpeedChain® - Medium (Pro)
$199.95
Leg SpeedChain® - Large (Strong)
$159.95
Leg SpeedChain® - Large (X-Strong)
$169.95
Leg SpeedChain® - Large (Pro)
$199.95

Details

The Leg SpeedChain® is a tremendous training tool for increasing lower body strength, explosiveness, balance/symmetry, and mobility. It is a training aid that builds power in the lower half by utilizing multiple planes of movement through variable resistance.  The device causes the body to adapt to ever changing loads, lending itself to differential learning.

The Leg SpeedChain® allows the body to self-organize and discover efficient movement patterns using the Dynamic Systems Theory, reinforcing the importance of coordination versus isolated strength. The exercises performed with the device are at high intensity, for short durations, utilizing the body’s ATP energy system.  It is a tool for training basic high velocity movement patterns, with balance and proprioception that can lead to faster sprint times, further/higher jumps, and ultimately greater overall power output from the lower body. The Leg SpeedChain® has the freedom to accommodate many different stride lengths and lower half mechanics.

Training with the Leg SpeedChain® offers the athlete an opportunity to train joint movement, muscle action, and energy production that can match virtually any sports related movements. It can be used on many different surfaces, environments, and conditions. Each variation provides cues that excite the tactile, auditory and visual senses reducing exercise monotony and boredom that can lead to reduced motivation.

The Leg SpeedChain® is a custom constructed metal chain attached to a sturdy metal foot bracket with links that increase in size and weight as the distance from the bracket increases.    This design allows initial movements to be easier because smaller/lighter chain links move initially, with the movement pattern becoming increasingly difficult as the heavier distal chain links are involved.  This varying resistance provides an excellent underload/overload experience with movements that are general to lower body development.

The Leg SpeedChain® may be purchased as a stand-alone training device with an included Universal SpeedChain® Segment, or, purchased as an accessory to be used with one (or two) Universal SpeedChain® segment from other devices.  Available in two sizes, the Leg SpeedChain® can be used on either foot and generally fitted based on shoe sizes:  Medium – Shoe Size 7-12; Large – Shoe Size 12-17.   The following serves as a general guideline to aid in the proper Leg SpeedChain® selection when purchasing as a stand-alone training device:

Strong – Typically chosen by Entry Level and Senior Athletes.  Designed for any age athlete from adolescent to senior with below to average strength when compared to their peer group, having no physical constraints, and capable of vigorous exercise Intensity.  Sport Specific Selection Suggestions:

Baseball/Softball - Pitching Velocity: 60mph-75mph; Bat Speed: 45MPH- 75MPH

Golf – Club head speed under 90 MPH

Tennis - Serve Speed Under 80 MPH; NTRP 2.0-4.0; Juniors; Seniors

X-Strong – Typically chosen by Varsity Level High School and College Athletes.  Designed for any age athlete from adolescent to adult with average strength when compared to their peer group, having no physical constraints, and capable of vigorous exercise Intensity.  Sport Specific Selection Suggestions:

Baseball/Softball - Pitching Velocity: 75mph-90mph; Bat Speed: 65MPH- 85MPH

Golf – Club head speed 90 MPH - 105 MPH

Tennis - Serve Speed 80 – 100 MPH; NTRP 4.0-5.5; Tournament Players

PRO - Typically chosen by College and Professional Athletes.  Designed for any age athlete from late adolescent to adult with average strength when compared to their peer group, having no physical constraints, and capable of vigorous exercise Intensity.  Sport Specific Selection Suggestions:

Baseball/Softball - Pitching Velocity: Greater than 90mph; Bat Speed: 75MPH- 95MPH

Golf – Club head speed over 105 MPH

Tennis - Serve Speed over 100 MPH; NTRP 4.0-5.5; NTRP 5.5 - 7.0; NCAA, WTA, ATP

Muscularly mature athletes considered strong for their peer group, and athletes 6’4” and taller, should consider adding extensions to their selection.  Each model may have up to two SpeedChain® Extensions added as necessary when the lower half speed and strength increases.  If there are questions about model sizing it is recommended to undersize the model size and make adjustments with extensions.  Always waggle the SpeedChain® through the anticipated full range of motion before beginning exercise; chain ends should never be allowed to come off the ground/floor or gather around the feet during exercises.

The Leg SpeedChain® delivers resistance light enough to permit high acceleration and resistance heavy enough to increase strength.  This is accomplished by through variable weight loads, with different phases of a movement being weighted differently; the variable resistance challenges the athlete to move the volume of chain according to their strength.  The SpeedChain® trains and supplies a means to develop stronger movements and joint actions using the larger chain links higher weights to train at higher levels of force.  

The Leg SpeedChain®, also sometimes called the 'Kicking Chain' is an outstanding general training implement that can be purchased as a stand-a-lone training tool consisting of a foot harness, One Universal SpeedChain® Segment and Chain Carrier.  For an enhanced training experience consider the adding the TorsoBurner for a full body experience.  Either or both of the Universal SpeedChain® Segments used with the TorsoBurner® can be used alternately with Leg SpeedChain® as well as the Golf or Tennis SpeedChain® Sport Specific Quick-link Attachments.  All components are available and can be purchased individually. Instructions for use are not included.

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