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 Frequently Asked Questions

How does CoreControl/RTX work? Why does it work?

Specialized blood vessels exist in the palms of your hand for heat dissipation purposes. These structures – your body’s radiator – allow large amounts of blood to flow directly beneath the skin when the body needs to dissipate excess heat. CoreControl/RTX enhances the blood flow to those surfaces through a combined application of temperature and a slight vacuum. Keeping cool enhances physical performance. For athletes and those who work in extreme conditions, it can enhance performance because less blood needs to be shunted to the skin for heat dissipation purposes, making more available to service working muscles.

How does CoreControl/RTX differ from existing products that also help with thermoregulation?

Existing “cooling” products include misting fans, wet towels, or ice water. These products don’t work effectively because they try to push cold into the body through the skin, fat and muscles (which are very effective insulating materials). CoreControl/RTX works with the body’s natural adaptations, pulling heat directly out of the core through “thermal portals” in the hands. CoreControl/RTX can accomplish heat extraction more efficiently, safely, and quickly than these other technologies alone.

Will I feel cooler?

Generally not. It’s difficult to feel CoreControl/RTX extracting heat out of your body because you don’t have temperature sensors deep inside your body; they are primarily on the skin surfaces. CoreControl/RTX pulls heat directly out of your core, via thermal portals in the hand, while most “cooling” technologies used today try to cool the body through the general skin surface. While using CoreControl Pro or RTX you may not “feel” cool, but you will feel more refreshed and be prepared for what’s next.

Are there any negative side effects using CoreControl/RTX? Can I get too cold?

No direct negative side effects have been observed with the use of CoreControl/RTX. Because it works with your natural adaptations, the body self-regulates to prevent detrimental effects. However, because CoreControl/RTX has been shown to result in rapid and dramatic gains in strength and endurance, athletes and coaches using the technology should be careful to moderate their training regimens to prevent injury from over-use.

It is impossible to get too cold using CoreControl/RTX as recommended. The products only work when you're hot. Your body shuts down the "radiator" structures in your palms once you reach normal temperature and no further core cooling can take place.

How long should I use CoreControl/RTX to cool?

The short answer is "until you're not hot but feel refreshed." When you're hot, any time spent using CoreControl/RTX is beneficial but a cooling time of 3 minutes was used for most of the endurance studies conducted. Times can vary by individual to experience maximum benefit. Results are affected by your personal physiology, ambient temperature and how hot you are but most of the cooling occurs in the first 5 minutes with noticeable endurance gains after 2 to 3 minutes for most people. Cooling for 3 to 5 minutes immediately following exertion may have recovery benefit as well.

But can’t I just put my hand in ice water?

Putting your hand in ice water causes the blood vessels that radiate heat to constrict, stopping heat exchange and merely making your hand uncomfortably cold. The mild CoreControl/RTX vacuum limits the blood vessels from constricting and allows the carefully controlled cool water continuously recirculating against your palm to cool your blood which then travels directly to your core.

Who uses CoreControl/RTX?

CoreContol Pro is being used by elite professional sports teams such as:

  • Seattle Seahawks (2014 Superbowl Champions)
  • San Francisco 49ers
  • St. Louis Rams
  • Oakland Raiders
  • Golden State Warriors
  • Boston Celtics
  • Philadelphia 76ers
  • Toronto Maple Leafs

Top College Football teams:

  • Brigham Young University
  • University of Cincinnati
  • University of Colorado
  • Louisiana State University
  • University of Michigan
  • Mississippi State
  • Ohio State University
  • Old Dominion University
  • Stanford University
  • University of Tennessee, Chattanooga
  • University of Toledo

U.S. Olympic Teams:

  • Men's Beach Volleyball (Casey Patterson)
  • Men's Speed Skating (Jonathan Garcia)

Soccer Teams:

  • Germany (2014 FIFA World Cup Champions)
  • Chelsea Football Club
  • Manchester United Football Club

Industrial users include:

  • Exxon (oil & gas)
  • Occidental Petroleum (oil & gas)
  • BHP Billiton (mining)
  • Rio Tinto (mining)
  • Phoenix Fire Dept Hazmat Team
  • Polk County, Florida Hazmat Team

CoreControl/RTX provides a maximum benefit to anyone who pushes themselves to their performance limits during exercise or work. This is when the body generates the most heat and has an acute need to dissipate it. In a normal resting state, or during mild exercise, the body is able to thermoregulate quite well on its own, and use of CoreControl/RTX may not result in dramatic effects.

As an athlete, does using CoreControl/RTX mean that I don’t have to work as hard to achieve the same results?

CoreControl/RTX is not a magical solution that will help you increase bulk or aerobic threshold just by using it. It’s a tool to help athletes or fitness enthusiasts recover quickly and do more work in a shorter amount of time. That work is still up to the athletes, who must push their limits for maximal benefit. Vigorously exercising athletes using CoreControl/RTX are regularly surprised by performing far beyond their own (and their coaches’) expectations.

Does CoreControl/RTX cooling reduce metabolic activity in the muscles following exercise when used as part of a recovery regimen? Will CoreControl/RTX reduce the fat burning benefits that you get following exercise?

No. The metabolic activity in the muscle following exercise is to compensate for the lactic acid debt that will occur at normal body temperature.  Remember, that use of CoreControl/RTX will only bring the body back to normal temperature.  It will not and can not cause hypothermia of the body or of the muscle.  The muscle that exercised will still be above 37 ℃.  Also, part of the muscle activity that occurs after extreme exercise is repair. That can be impeded by high temperature that can activate heat shock protein expression which shuts off all other gene expression including genes for repair.

Can using CoreControl/RTX for cooling reduce the effects of warming up before an athletic event and increase the risk of injury? A lot of athletes want to avoid cooling off while on the sideline or during halftime.

The use of the descriptor “warming up” belies the real benefit from those activities.  It is primarily the loosening up of joints, muscles, ligaments, tendons that is occurring.  Of course bringing the muscles up to optimal temperature is important too and that is around 37 ℃.  However, many “warm-up” routines result in a muscle temperature overshoot.  That heat then gets distributed around the body decreasing the capacity of those tissues to act as a heat sink during subsequent exercise.  What a Cross Country Team at a prominent university does when they are competing in a hot place is to warm up first then use CoreControl to get rid of excess heat before the race starts.

As an athlete, will I maintain my improvement when I don’t use CoreControl/RTX during training or competition?

The conditioning effect from the use of CoreControl/RTX is enduring. Athletes are able to maintain high levels of performance even on days when they don’t use these products. However, the same rate of performance gains after you stop using CoreControl/RTX would not be expected.

Is CoreControl/RTX a medical device?

CoreControl/RTX is not a medical device. It is a consumer product used by healthy adults, athletes, people wanting to exercise more so they can lose weight, and those working or playing in hot environments or prone to sudden bouts of overheating to remove excess heat. In a medical heat emergency, you should always seek proper medical attention immediately.

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