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About Us
- Read MoreWelcome to UPROz® “Battle Tested — Innovation Proven”
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UPROz® is a pioneer of “Battle Tested — Innovation Proven” sports performance and functional fitness training products. Our patent, revolutionary Coil Technology provides users with a training experience unlike any product on the market today.
UPROz® distinguishes itself with its ingenuity, creativity, and innovation which is represented in our patented Coil Technology. Our Coil Technology simulates muscle spindling in the human body to provide a revolutionary training product. Our Coil Technology is also endorsed by the Sports Medicine Institute of Los Angeles for its ability to reduce injury in its users. We accomplish this by producing zero shock load to muscular connective tissue and joints by providing a stable and consistent workload with our patent Coil Technology.
When striving to achieve a well structured, strong, and well conditioned body, Balance and Resistance Training are key elements to success. The UPRO® patent Coil Technology allows the user to apply resistance training throughout a balance continuum workout, which equates to a strong, well balanced and injury free exercise routine.
Through our research UPROz® worked in collaboration with exercise training experts and developed a patent scientific-based system (Coil Technology), which combines the most innovative, advanced, system technology equipment built for the rigors of elite performance training. Formulated and built by today's elite athletes for the stars of tomorrow.
We welcome you, to experience our “Battle Tested — Innovation Proven” sport training technology.
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Frequently Asked Questions
- Read MoreHow is the Coil different from the regular Bungee?
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Coil Technology is extremely different, in that it is scientifically designed to allow you to apply resistance properly, with measurable loading, which will not cause direct injury to your muscle connective tissue.
- Read MoreHow is Stride Length different from Stride Frequency?
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Stride is comparatively different from Stride Frequency, as Stride Length refers your length in distance of your foot stride (usually measured from fingertip to fingertip with outstretched arms) versus Stride Frequency is your ability to generate rapid movement of foot sequencing.
- Read MoreWill the Coil First-Step product challenge me in my training, if so how?
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The UPROz® First-Step Coil will challenge you to your personal limits unlike no other training product available, you will be amazed on how you will feel your “Hip Flexor” muscles kick-in and become complete tyrants giving you explosive strength, power, balance and speed!
- Read MoreIs the Coil Safer than your standard elastic Bungee?
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The UPROz® patent Coil Technology system is vastly safer than your standard Bungee system, mainly because of its patent scientific design. Coil Technology closely replicates your own bodies muscle structure, and how your muscles work both anatomically and physically, thus delivering smooth resistive loading without any violent shock loading of your own bodies muscle connective tissue.
- Read MoreI see professionals using it; can my kids train with it?
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The UPROz® Coil Technology products are designed to be used for all levels of performance, from beginners (ages 8) up to professionals, as well as, anybody who may have personal fitness goals.
- Read MoreWill the Coil make an athlete faster? How?
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Through the UPROz® First-Step’s patent design, it allows an athlete to focus on increasing the strength of your “Hip Flexors” and targeting the principal muscles involved in hip flexion; the “psoas” and the “iliacus”, collectively known as the “iliopsoas”. Because these muscles are relatively deep-seated rather than surface muscles, they may have been overlooked in training in the past. The UPROz® First-Step Coil Resistance Trainer is specifically designed to develop and strengthen the hip flexors. Through extensive testing, studies have identified that when utilizing the UPROz® patent Coil Technology, a 12.2% increase in hip flexor strength can improve your 40 yd dash and shuttle run times by 3.8% and 9.0% respectively.
- Read MoreCan I train 100% at full speed with the Coil, as opposed to Bungees which limit and restrict my movement?
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The UPROz® patent coil design allows for full flexion and extension of muscle groups with a natural anatomically correct positioning of your body. This controlled and smooth resistance is paramount in achieving maximum performance through all movement planes. Because of the Coils scientific design, you can replicate any drill, movement, and/or practice at full speed that directly correlates to the playing surfaces with full freedom of movement.
- Read MoreCan I utilize both systems products (First-Step and Pro Series) at the same time during a training regimen?
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The UPROz® patent Coil system products are designed to be used independent and/or in conjunction within any training regimen.
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UPROz Athletes
Doug Martin- NFL Pro Bowl Running Back-UPROz
NFL Pro Bowl Running Back Doug Martin talks about his off-season workout regime with some of the most innovative training equipment. "The UPROz Coil Technology has helped me get to the highest level of my game". Tak a look at UPROz Coil Technology at: www.uproz.com
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Get in Touch

Corporate Relations
General Information+1 310 422-8817Phone:
danielgutierrez@uproz.comE-mail:
Team and Individual Sales
Customer Servicesales@uproz.comE-mail:
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UPROz® First Step Coil
Introducing the UPROz®Coil First-Step Resistance Trainer, a scientific based training tool developed to build an Athletes “Hip Flexor” muscles, without the inherit risk of injury. Through the First-Step’s patent design, it allows an athlete to focus on increasing the strength of your “Hip Flexors” and targeting the principal muscles involved in hip flexion; the “psoas” and the “iliacus”, collectively known as the “iliopsoas”. Because these muscles are relatively deep-seated rather than surface muscles, they may have been overlooked in training in the past. Until now the only weighted resistance equipment employed for this purpose has been the multi-hip type machine.The UPROz® First-Step Coil Resistance Trainer is specifically designed to develop and strengthen the hip flexors. It exercises the hip flexors from full extension to full flexion, without the inherit risk of injury, as opposed to most exercise generic bands. Because of its biomechanical design and efficiency, as the bodies joints move from extension to flexion, the UPROz®“First-Step” is configured to provide controlled resistance throughout the exercise movement and thus appropriate loading to both sets of flexors.
Resistive speed is a complex process that is controlled by an athletes brain and nervous system. The brain and nervous system can only by conditioned to handle quicker movements with added resistance.
The hip flexors perform a vital role in controlling the rate of descent and ascent in leg extension. Strong hip flexors provide an advantage in a wide range of sports and athletic activities. In sprinting high knee lift is associated with increased stride length and therefore generates a rapid knee lift, which is associated with an increase in an athlete’s speed.
Studies have shown that a 12.2% increase in hip flexor strength improved 40 yd dash and shuttle run times by 3.8% and 9.0% respectively.
- Every athlete SHOULD be training their hip flexors as they have the ability to increase your speed, and flexibility.
- Increasing flexibility in your hip flexors will also have an impact on an athlete’s overall agility.
- The hip flexors are unbelievably powerful muscles and once they start taking control, they become complete and total tyrants, transforming an athlete’s overall physicality.
- The main difference between average athletes and good athletes is found in the functionality of the feet.
UPROz® Coil System - Carrying Bag
All Coil System Trainers are complete with carrying bag included.Uproz First Step Coil sizes for best results:
SMALL - Stride Length Ranges from hight 5'4"-5'-10"
LARGE - Stride Length Ranges from 5"10 and up.
First Step Coil — $49.99
Shipping — $ 14.50


