DForce

dForce Trainer
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Place of origin	United States
Production history
Designer	Darrick Ervin
Designed	1993-1994
Manufacturer	ET Training System
Produced	1993-present

dForce Trainer was first concede in 1993 to 1994. Its original intent was to develop the full swing for the game of golf. It was designed & produced in Detroit, Michigan out of the need for the inventor to improve his golf swing as fast as possible.

History

The dForce Trainer was originally designed for the sport of golf. It quickly was adapted for all other sports. Baseball & Softball for batting, speed training and vertical jump training came on board quite quickly. The dForce Trainer can now be used for almost any sport to develop sport specific fast twitch muscles, including but not limited to tennis, table tennis, throw for baseball and football, swimming, martial arts, etc.

Design

Designed by Darrick Ervin, an American mathematician, inventor and publisher who originated the concept of the dForce Trainer. Darrick credentials combine a BS in Mathematics, and a minor in Industrial Technology. He have extensive experience in Business Management, Software Engineering and Engineering Management. He keeps up with a variety of academic subject, such as math, computer science, factory automation, robotic, physic, mechanical, electrical and software engineering. He also coaching and training athletes at all levels. It was developed to improve the full swing for the game of golf. From there, other sports was adapted (baseball, football, basketball, tennis, etc.) Golf Shows, Baseball Show, Baseball & Softball Tournaments, Practices of high schools and colleges for all sports, Track Clinics, Internet, TV, gave it the spotlight to make it noticable.^[1]

dForce Trainer systems

This machine is a all-in-one model with different workout systems. The systems are categorized by the sports or workout that an individual is on. With each system, there is a platform and a harness, (size goes from kids to XX-Large) that is needed for the training. There four systems and they have their very own components. The systems this include are:

• Batting System^[2]
  • 15 to 30 mins, 3 to 4 times a week workout
  • 1 Platform & 2 End Plates
  • 1 Bat (Size: 30-34)- Hands, Wrist & Forearms
  • 1 Harness- Upper Body Rotation
  • 1 Ankle Strap- Leg Stride Quickness & Power
  • 1 Wrist Strap- Lead Arm Connectivity & Power
  • 1 Belt- Lower Body, Hips Rotation, Leg Drive
  • 1 Heavy & Medium V Bands
  • 4 Lights Bands
  • 4 Medium Bands
  • 4 Heavy & X Heavy Bands

• Basketball System^[3]
  • 1 Platform & 2 End Plates
  • 1 Heavy & X Heavy Bands
  • 1 Light & Medium Bands
  • 1 TOE Raise Block
  • 1 NYLON Pull Handle
  • 1 Vest
  • 1 6 Inch PLYO Box
  • 1 12 Inch PLYO Box
  • 1 18 Inch PLYO Box

• Football System^[4]
  • 1 Platform & 2 End Plates
  • 1 Heavy & X Heavy Bands
  • 1 Light & Medium Bands
  • 1 Steel Pull Handle
  • 1 TOE Raise Box
  • 1 NYLON Pull Handle
  • 1 Vest
  • 1 6 Inch PLYO Box
  • 1 12 Inch PLYO Box
  • 1 18 Inch PLYO Box

• Golf System^[5]
  • 1 Platform & 2 End Plates
  • 1 Club Grip (Size: Men to Kids) Hand (Right or Left
  • 1 Vest
  • 2 Heavy & X Heavy Bands
  • 2 Light & Medium Bands

• Speed & the Vertical Jump Systems^[6]
  • 1 Platform & 2 End Plates
  • 1 Belt
  • 1 Ankle Strap
  • 1 NYLON Pull Handle
  • 1 TOE Raise Box
  • 4 Heavy & X Heavy Bands
  • 4 Light & Medium Bands
  • 1 6 Inch PLYO Box
  • 1 12 Inch PLYO Box
  • 1 18 Inch PLYO Box

References

1. ^ http://www.ettrainingsystems.com/Testimonials.html
2. ^ http://www.ettrainingsystems.com/ProductsDescriptionbatting.html
3. ^ http://www.ettrainingsystems.com/ProductsDescriptionbasketball.html
4. ^ http://www.ettrainingsystems.com/ProductsDescriptionFootball.html
5. ^ http://www.ettrainingsystems.com/ProductsDescriptionCBPVDT.html
6. ^ http://www.ettrainingsystems.com/ProductsDescriptionSpeedNVerticalJump.html