Anti-Gravity Treadmills – What can they do?

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Metrifit Athlete Monitoring System

When one mentions the words “anti-gravity treadmill”, the first image that may come to mind is an elaborate machine that appears to belong in the future in some capacity, and indeed NASA developed the differential air pressure technique as a way for astronauts to exercise and maintain conditioning in space. However the technology is in existence and has been for some time – especially in the sporting domain. Many large and successful sporting organisations have invested much time and expenditure in these futuristic machines, with many benefits for athletes becoming apparent. This article will explore the mechanics of the device and what benefits exactly it brings to athletes and athletic performanceJon-Grey-in-Alter-g-edited

The “anti-gravity treadmill” was originally invented by Robert Whalen, a biomechanics researcher at NASA Ames Research Center, in the 1990s. Whalen knew that astronauts on the International Space Station have to exercise for hours each day to combat the loss of bone mass and muscle in microgravity. Whalen’s design, patented in 1992, encloses a treadmill and the astronaut’s lower body in an airtight chamber. Lowering the air pressure inside the chamber pushes the astronaut down, simulating gravity.

Further refinements to the machine followed and have created the device that is used in today’s sporting world. To use it, you put on a pair of tight neoprene shorts. The shorts have a sort of skirt attached, and the skirt is lined with zipper teeth. You step onto the treadmill, inside a hole in its plastic casing, and zipper yourself in so that, from the waist down, you’re encased in an airtight plastic bag. As you stand there, the treadmill measures your weight, and you tell it how intense you want your workout to be. The machine uses “unweighting technology” to make you feel up to 80 percent lighter. The terms “anti-gravity” and “unweighting technology” are enthusiastic descriptions for what the machine actually does, which is inflate the plastic bag around your lower body to lift you off the surface of the treadmill, although a bill of between €30,000 and €60,000 for either of the 3 available models may put some prospective athletes off!!

Antigravity treadmills are becoming increasingly popular in injury prevention and rehabilitation settings, and are being used across many sports. Weight sensors in the treadmill allow the Alter G to be operated at anywhere from 20-100% of the athlete’s body weight. The treadmills are used for rehabilitation from injury and post-surgery to facilitate early weight bearing at a reduced body weight, protecting the healing tissue, while maintaining normal running or walking. These types of treadmills claim to have the following benefits:

  • decrease pain and minimize swelling in the early stages of recovery
  • increase hip, knee, and ankle mobility by encouraging assistive range of motion
  • progressively load the lower extremities to assist with strength, endurance, and neuromuscular re-education
  • increase cardiovascular and muscular endurance in the later recovery stages of recovery
  • initiate weightbearing activities earlier

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Reason alone suggests the anti-gravity treadmill, with its ability to progressively re-introduce weight as an injured patient exercises, is an excellent tool for rehabilitation. Although very few studies have been conducted so far, only positive comments have been made and meanwhile therapists and researchers continue to study the impact on real patients. Indeed, the few studies that have looked at this area have mostly been positive in nature – The idea of athletes’ rehabilitation from Achilles surgery being aided by the treadmill has proven mildly significant and successful in getting athletes back to running properly. Another example is the theory of the treadmills successfully reducing forces on the knee in recovery from injury.

The anti-gravity treadmills aren’t just limited to use in athlete rehabilitation, they are also becoming used more often in training regimes. Sports therapists as well as sports trainers have already incorporated anti-gravity into their sessions. They are being utilised for training, with high mileage athletes incorporating treadmill sessions at reduced body weight. The treadmills can also be utilised for reverse running, incline and decline running, as well as over-speed training (max speed P200 27km/hour). Indeed endurance runners are now beginning to use this tool as a new way of shedding seconds and minutes off their running times.

Due to the recent nature of this type of treadmill, the jury is still out on its effectiveness. Scientists also agree, however, that more research is needed to compare the effectiveness of anti-gravity treadmills against highly established and validated rehab techniques such as deep water running and physical therapy. It may be positive in terms of injury rehabilitation, yet it requires further research in relation to significant, tangible improvements in athletic performance. Regardless of this, it seems as if anti-gravity treadmills are an example of the developments being implemented into modern athletic performance.

About Metrifit

Metrifit is an athlete monitoring system that gathers subjective and objective information from both coaches and athletes in a simple but effective manner with intelligent visualization helping coaches and athletes to act on that data. Why not have a look at our Ready to Perform product and gain insight on the physical and mental state of your athletes through our daily wellbeing questionnaire? To find out more visit our Metrifit Product Overview page or get in touch for a free demo.

"What’s more impressive is the ability to utilize the basics but at the same time have the capability to explore detailed and intricate correlative data points that helps us as coaches gain the most from our athletes. Metrifit has also served as an easy communications hub to ensure essential information is passed to the appropriate team. We are excited to what the future from Metrifit will bring."

Michael Torres

CEO, Shift Performance, Miami

Metrifit Athlete Monitoring System
2017-06-14T14:09:22+00:00

Michael Torres

CEO, Shift Performance, Miami

"What’s more impressive is the ability to utilize the basics but at the same time have the capability to explore detailed and intricate correlative data points that helps us as coaches gain the most from our athletes. Metrifit has also served as an easy communications hub to ensure essential information is passed to the appropriate team. We are excited to what the future from Metrifit will bring."
"Metrifit has been instrumental in helping our international Managers, Coaches and Medical teams to identify players who require modifications in training loads or who are struggling with some aspect of their preparation for, or recovery from, training and matches.  One of the big strengths of this technology is that it allows our Managers and Medical teams to monitor players both during international competition and outside of these times."

Dan Horan

Head of Fitness for International Football/Fitness Coach Men's Senior Team
Football Association of Ireland

Metrifit Athlete Monitoring System
2017-06-16T15:11:55+00:00

Dan Horan

Head of Fitness for International Football/Fitness Coach Men's Senior Team
Football Association of Ireland

"Metrifit has been instrumental in helping our international Managers, Coaches and Medical teams to identify players who require modifications in training loads or who are struggling with some aspect of their preparation for, or recovery from, training and matches.  One of the big strengths of this technology is that it allows our Managers and Medical teams to monitor players both during international competition and outside of these times."
"Metrifit is an integral part of the set up within the senior and intermediate inter-county Camogie.  The data collected daily on the individual players is critical to the decision making of the backroom team including, managers, trainers, selectors, physiotherapist and indeed myself. As a nutritionist it allows me to monitor the quality of the player’s diet, energy levels, sleep pattern and overall wellbeing."

Yvonne Treacy

Nutritionist, Wexford Camogie

Metrifit Athlete Monitoring System
2017-06-13T16:38:55+00:00

Yvonne Treacy

Nutritionist, Wexford Camogie

"Metrifit is an integral part of the set up within the senior and intermediate inter-county Camogie.  The data collected daily on the individual players is critical to the decision making of the backroom team including, managers, trainers, selectors, physiotherapist and indeed myself. As a nutritionist it allows me to monitor the quality of the player’s diet, energy levels, sleep pattern and overall wellbeing."
"Our coaches through Metrifit basically have an ‘X-ray’ vision into the habits and lifestyles and stressors their athletes have on a day to day basis, especially when they are not together. Thus the professional authentic relationships created through the casual conversations, reflection process and application provided is priceless."

Brian Clarke

Head Strength and Conditioning Co-ordinator,Noblesville High School

Metrifit Athlete Monitoring System
2017-06-12T14:21:17+00:00

Brian Clarke

Head Strength and Conditioning Co-ordinator,Noblesville High School

"Our coaches through Metrifit basically have an ‘X-ray’ vision into the habits and lifestyles and stressors their athletes have on a day to day basis, especially when they are not together. Thus the professional authentic relationships created through the casual conversations, reflection process and application provided is priceless."
"The cutting edge technology of Metrifit enables Managers, Coaches and Players to use this innovative technology to gain these crucial percentage points over their opponents in a technologically advanced yet easy to use web-based platform. The data collated on a daily basis greatly informs Management Teams while the educational aspect of the system really appeals to modern day athletes who are constantly looking for that extra edge."

Cian O’Neill

Kildare Senior Football Manager

Metrifit Athlete Monitoring System
2017-06-14T13:24:03+00:00

Cian O’Neill

Kildare Senior Football Manager

"The cutting edge technology of Metrifit enables Managers, Coaches and Players to use this innovative technology to gain these crucial percentage points over their opponents in a technologically advanced yet easy to use web-based platform. The data collated on a daily basis greatly informs Management Teams while the educational aspect of the system really appeals to modern day athletes who are constantly looking for that extra edge."
"The visualisation of data allows for easy discussion between athletes, performance staff and medical teams and offers the potential to predict and avoid issues which could hamper performance. Over the year the data has proven instrumental in our critical decision making. Metrifit is a excellent monitoring tool however the unsung additional aspect is the fantastic and tireless customer support."

Robert Walsh
Strength Coach
Nederlandse Ski Vereniging (Netherlands Ski/Snowboard Team)
Metrifit Athlete Monitoring System
2017-07-25T14:10:08+00:00
Robert Walsh
Strength Coach
Nederlandse Ski Vereniging (Netherlands Ski/Snowboard Team)
"The visualisation of data allows for easy discussion between athletes, performance staff and medical teams and offers the potential to predict and avoid issues which could hamper performance. Over the year the data has proven instrumental in our critical decision making. Metrifit is a excellent monitoring tool however the unsung additional aspect is the fantastic and tireless customer support."
"Metrifit has been used to gain a more in-depth insight into our student-athlete’s progressive athletic development and balance relative to their particular sporting and training activities, academic studies and total load. Metrifit doesn’t just help with optimising our Sports Scholarship students’ athletic performance. It assists us in helping them get the balance right between their sporting activities and academic studies."

Richard Deuchrass

Lincoln University Athletic Performance Manager

Metrifit Athlete Monitoring System
2017-06-12T13:58:58+00:00

Richard Deuchrass

Lincoln University Athletic Performance Manager

"Metrifit has been used to gain a more in-depth insight into our student-athlete’s progressive athletic development and balance relative to their particular sporting and training activities, academic studies and total load. Metrifit doesn’t just help with optimising our Sports Scholarship students’ athletic performance. It assists us in helping them get the balance right between their sporting activities and academic studies."
"Metrifit provides immediate insight and feedback on the physical and mental states of the student-athletes.  It allows us to adjust practices and training sessions to accurately meet needs. We have been able to identify potential injury concerns, track current injury status and monitor return to play progress."

Kari Thompson

Head Volley Ball Coach, Southern Illinois University

Metrifit Athlete Monitoring System
2017-06-16T15:08:31+00:00

Kari Thompson

Head Volley Ball Coach, Southern Illinois University

"Metrifit provides immediate insight and feedback on the physical and mental states of the student-athletes.  It allows us to adjust practices and training sessions to accurately meet needs. We have been able to identify potential injury concerns, track current injury status and monitor return to play progress."
"The ability to acutely monitor stress and recovery and make the correct adjustments was critical to our health and performance throughout the NCAA tournament. Metrifit has a very strong educational component. With the information we get, I am able to clearly understand the habits and behaviors of our athletes, and how they may be impacting performance."

Erik Helland

Director of Strength & Conditioning and Head Strength Coach Men’s basketball, University of Wisconsin

Metrifit Athlete Monitoring System
2017-06-12T11:42:14+00:00

Erik Helland

Director of Strength & Conditioning and Head Strength Coach Men’s basketball, University of Wisconsin

"The ability to acutely monitor stress and recovery and make the correct adjustments was critical to our health and performance throughout the NCAA tournament. Metrifit has a very strong educational component. With the information we get, I am able to clearly understand the habits and behaviors of our athletes, and how they may be impacting performance."
"I've found Metrifit an invaluable resource. Not only to monitor daily wellness, readiness to train and training load within the squad, but also to monitor training load externally with additional external squads. Furthermore, Metrifit has acted as a key teaching tool, allowing young athletes associate good sleeping, eating and recovery habits to an improved sense of wellness and thus superior on-field performance."

Tommy Mooney

Strength and Conditioning Coach at DCU Sport and with Dublin Minor GAA

Metrifit Athlete Monitoring System
2017-06-14T13:31:14+00:00

Tommy Mooney

Strength and Conditioning Coach at DCU Sport and with Dublin Minor GAA

"I've found Metrifit an invaluable resource. Not only to monitor daily wellness, readiness to train and training load within the squad, but also to monitor training load externally with additional external squads. Furthermore, Metrifit has acted as a key teaching tool, allowing young athletes associate good sleeping, eating and recovery habits to an improved sense of wellness and thus superior on-field performance."
"When our players have been only training with the national team Metrifit allows me to liaise very closely with our conditioning coaches to manage load and intensity of training during training camps. I recommend it to anyone who wants an easy to use monitoring system."

Dave Passmore

Head Coach, Irish Hockey

Metrifit Athlete Monitoring System
2017-06-15T12:51:46+00:00

Dave Passmore

Head Coach, Irish Hockey

"When our players have been only training with the national team Metrifit allows me to liaise very closely with our conditioning coaches to manage load and intensity of training during training camps. I recommend it to anyone who wants an easy to use monitoring system."
"We have been using Metrifit for the past season at Cornish Pirates. It has been greatly beneficial for us to have our wellness and load management data on one easy to access system. We have found this invaluable over the past season whereby Coaches, Physios and Strength and conditioning coaches can monitor both the psychological and physiological load of our athletes on a daily basis."

Paul Cremin

Head Physiotherapist, Cornish Pirates Rugby Club

Metrifit Athlete Monitoring System
2017-06-16T15:06:04+00:00

Paul Cremin

Head Physiotherapist, Cornish Pirates Rugby Club

"We have been using Metrifit for the past season at Cornish Pirates. It has been greatly beneficial for us to have our wellness and load management data on one easy to access system. We have found this invaluable over the past season whereby Coaches, Physios and Strength and conditioning coaches can monitor both the psychological and physiological load of our athletes on a daily basis."
"Metrifit has been hugely beneficial in supporting our coaches and back room staff to track and monitor our players training loads, performance and readiness to train. Having a one-stop shop for collating all relevant information across a holistic picture of the player allows us to help prevent burnout, injury and provide timely feedback and communication to all."

Eamonn Fitzmaurice

Kerry Senior Football, Manager

Metrifit Athlete Monitoring System
2017-06-12T14:01:46+00:00

Eamonn Fitzmaurice

Kerry Senior Football, Manager

"Metrifit has been hugely beneficial in supporting our coaches and back room staff to track and monitor our players training loads, performance and readiness to train. Having a one-stop shop for collating all relevant information across a holistic picture of the player allows us to help prevent burnout, injury and provide timely feedback and communication to all."
"As a school that cannot spend large amounts of money on athlete monitoring, Metrifit has provided us with a great tool for monitoring stress and athlete readiness at a great rate. Being athlete driven, we're able to get buy-in from the athlete, and drive individual or team wide conversations regarding lifestyle and performance education in the direction needed. Seeing acute and chronic stress on a real-time basis has greatly improved the way we schedule workouts and arrange travel during the season."

Derek Bol
Strength & Conditioning Coach, Valparaiso University
Metrifit Athlete Monitoring System
2017-06-20T22:26:45+00:00
Derek Bol
Strength & Conditioning Coach, Valparaiso University
"As a school that cannot spend large amounts of money on athlete monitoring, Metrifit has provided us with a great tool for monitoring stress and athlete readiness at a great rate. Being athlete driven, we're able to get buy-in from the athlete, and drive individual or team wide conversations regarding lifestyle and performance education in the direction needed. Seeing acute and chronic stress on a real-time basis has greatly improved the way we schedule workouts and arrange travel during the season."
"The holistic approach of medical, physical, emotional and even tech/tactical; bringing together what we need to monitor and evaluate our University players. “If you can’t measure it – it doesn’t exist.” I know we were the first Canadian University to use the program and I know many more will be asking for it in the future! I highly recommend Metrifit."

Tino Fusco, B.Sc. ChPC

Head Coach, Women's Soccer, Mount Royal University (Canada)

Metrifit Athlete Monitoring System
2017-06-12T14:25:37+00:00

Tino Fusco, B.Sc. ChPC

Head Coach, Women's Soccer, Mount Royal University (Canada)

"The holistic approach of medical, physical, emotional and even tech/tactical; bringing together what we need to monitor and evaluate our University players. “If you can’t measure it – it doesn’t exist.” I know we were the first Canadian University to use the program and I know many more will be asking for it in the future! I highly recommend Metrifit."
“Metrifit has become a multifactorial platform that has helped up us provide deeper context to the decisions that we make on a daily basis in regards to the physical development of our student-athletes. We have intimately been utilizing both the subjective wellness questionnaire along with player training load data to drive professional conversation and actionable tasks to enhance the sporting results and quality of life for our student-athletes with unparalleled success.”

Kevin Schultz
Associate Director of Strength & Conditioning
Director of Olympic Strength & Conditioning
University of Wisconsin

Metrifit Athlete Monitoring System
2017-06-20T12:12:33+00:00

Kevin Schultz
Associate Director of Strength & Conditioning
Director of Olympic Strength & Conditioning
University of Wisconsin

“Metrifit has become a multifactorial platform that has helped up us provide deeper context to the decisions that we make on a daily basis in regards to the physical development of our student-athletes. We have intimately been utilizing both the subjective wellness questionnaire along with player training load data to drive professional conversation and actionable tasks to enhance the sporting results and quality of life for our student-athletes with unparalleled success.”
"Metrifit is an amazingly easy-to-use yet comprehensive monitoring tool for training and recovery! The elite athletes we work with are able track and monitor their situations and states daily, in order to maximize their performance loads and recovery practices. This also helps our coaches customize the training programs ‎more effectively. I'd recommend this for any serious team / athlete or coach in wanting to bring out the very best in their long-term performances! "

Edgar K. Tham

Founder and Chief Sport & Performance Psychologist, SportPsych Consulting (Singapore, Indonesia, Philippines)

Metrifit Athlete Monitoring System
2017-06-12T18:03:35+00:00

Edgar K. Tham

Founder and Chief Sport & Performance Psychologist, SportPsych Consulting (Singapore, Indonesia, Philippines)

"Metrifit is an amazingly easy-to-use yet comprehensive monitoring tool for training and recovery! The elite athletes we work with are able track and monitor their situations and states daily, in order to maximize their performance loads and recovery practices. This also helps our coaches customize the training programs ‎more effectively. I'd recommend this for any serious team / athlete or coach in wanting to bring out the very best in their long-term performances! "
"Gaelic football is an intermittent high-intensity collision-based field sport requiring high levels of endurance, strength, power, agility, and speed as well as proficiency with gaelic-related skills. These components comprise the training modalities used at the elite level and the monitoring of such a vast range of modalities is central to peak performance. The athlete monitoring tool Metrifit allows us to do this and can keep us one step ahead of our competitors."

Jason McGahan

Sports Scientist, Kildare Football, PhD Sports Science Researcher

Metrifit Athlete Monitoring System
2017-06-12T14:23:50+00:00

Jason McGahan

Sports Scientist, Kildare Football, PhD Sports Science Researcher

"Gaelic football is an intermittent high-intensity collision-based field sport requiring high levels of endurance, strength, power, agility, and speed as well as proficiency with gaelic-related skills. These components comprise the training modalities used at the elite level and the monitoring of such a vast range of modalities is central to peak performance. The athlete monitoring tool Metrifit allows us to do this and can keep us one step ahead of our competitors."
"Metrifit has enabled us to bring to life the complexiities associated with managing the academic, pastoral and sporting demands of pupils aged 13 - 18 in a UK day and boarding school environment It has provided another bridge between coaches and sports pupis, giving pupils a space to provide honest self reflection on wellbeing and providing coaches a head start on appropriate freshness and fatigue balance across the school week."

Graham Williams

Athletic Development Coach, MSc ASCC
Millfield School, UK

Metrifit Athlete Monitoring System
2017-06-19T14:14:37+00:00

Graham Williams

Athletic Development Coach, MSc ASCC
Millfield School, UK

"Metrifit has enabled us to bring to life the complexiities associated with managing the academic, pastoral and sporting demands of pupils aged 13 - 18 in a UK day and boarding school environment It has provided another bridge between coaches and sports pupis, giving pupils a space to provide honest self reflection on wellbeing and providing coaches a head start on appropriate freshness and fatigue balance across the school week."
"While working with the Clare Senior Hurling team (2012-2014), Horse Sport Ireland (U25 European Eventing Champions) and currently with the Limerick Senior Hurling Team, Metrifit provides our team with critical information across a number of essential aspects of elite athletic performance. You don’t really know how your players are responding to training stimuli unless you have daily data and Metrifit provides and easy to use and highly effective means of finding this critical information."

Joe O’Connor

NISUS Fitness, S&C Coach Clare Senior Hurling, Horse Sport Ireland and Limerick Senior Hurling

Metrifit Athlete Monitoring System
2017-06-12T13:55:49+00:00

Joe O’Connor

NISUS Fitness, S&C Coach Clare Senior Hurling, Horse Sport Ireland and Limerick Senior Hurling

"While working with the Clare Senior Hurling team (2012-2014), Horse Sport Ireland (U25 European Eventing Champions) and currently with the Limerick Senior Hurling Team, Metrifit provides our team with critical information across a number of essential aspects of elite athletic performance. You don’t really know how your players are responding to training stimuli unless you have daily data and Metrifit provides and easy to use and highly effective means of finding this critical information."
"Metrifit is an outstanding platform to track your athletes’ wellness. It’s simple to use, easy to implement and gives outstanding information on your athlete’s subjective wellness which can be used to assign training loads. I highly recommend Metrifit for any coach looking to begin implementing technology into their program"

Brijesh Patel

Quinnipiac University, Head Strength and Conditioning Coach

Metrifit Athlete Monitoring System
2017-06-12T17:58:50+00:00

Brijesh Patel

Quinnipiac University, Head Strength and Conditioning Coach

"Metrifit is an outstanding platform to track your athletes’ wellness. It’s simple to use, easy to implement and gives outstanding information on your athlete’s subjective wellness which can be used to assign training loads. I highly recommend Metrifit for any coach looking to begin implementing technology into their program"
"The success of young athletes using Metrifit was an interesting challenge in the Elite Soccer space… After six months of learning, creating habit with teenagers the project is a huge success…. 90% completion rate has allowed us deal with all the key KPI’s that are needed in their development. In our space with developing athletes…Metrifit is a godsend and is the most important tool in this space."

Niall O’Driscoll

Academy Directory, SJ.B (St. Joseph’s Bray ) Academy

Metrifit Athlete Monitoring System
2017-06-16T16:51:01+00:00

Niall O’Driscoll

Academy Directory, SJ.B (St. Joseph’s Bray ) Academy

"The success of young athletes using Metrifit was an interesting challenge in the Elite Soccer space… After six months of learning, creating habit with teenagers the project is a huge success…. 90% completion rate has allowed us deal with all the key KPI’s that are needed in their development. In our space with developing athletes…Metrifit is a godsend and is the most important tool in this space."