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“EXOGEN® is one of the most innovative and ground-breaking products to come in the sports industry in the past 10-15 years. We are only scratching the surface on wearable resistance and LVRT (Light Variable Resistance Training) This is the future of movement specific training. AUT SPRINZ is excited to be part of this development.” – Dr. John Cronin

Dr. John Cronin is recognised internationally as one of the world’s leading sports scientists. He is a Professor of Strength and Conditioning at Auckland University of Technology’s Sports Performance Research Institute New Zealand. As our Head of Research, Dr. Cronin oversees all EXOGEN® wearable resistance research globally.

The Sports Performance Research Institute New Zealand (SPRINZ) is New Zealand’s number one rated sports research institute with a growing global reputation. SPRINZ is a group of dynamic and innovative researchers producing applied research in improving human health, sports performance and long-term athletic development.


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#LILAEDUCATION by Dr. John Cronin // Strength Transference for Speed

If you had one resisted strength exercise to get people running faster, what would it be? Well I would use wearable resistance (WR) especially if running speed needed to be multi-directional as is the case in most sports. That is, one way you get people to run faster is to get them running fast with added resistance – activity specific strength training.

Typically, gym-based strength gains from exercises like the squat do not transfer well to speed, and when you have a close look at the exercises (see figure), you understand why.

Squatting develops bilateral, vertical force capability, using slow velocity acyclic movement patterns.

WR sprinting develops unilateral, vertical and horizontal force capability, using high velocity cyclic movement patterns.

The range of motion, metabolic cost, sequencing of contractions, storage and utilisation of elastic energy, tendinous and fascial contribution, contraction durations, etc. are very different.

Don’t get me wrong, the squat has its place in the tool kit but if you want to strength train for speed then WR offers a far better training option. It overloads big and small muscles alike, whilst not interfering with the subtleties of sprint technique.

(Join the conversation about #WearableResistance on his LinkedIn profile https://www.linkedin.com/in/professor-john-cronin)

#strengthtraining #sportsperformance #movementculture #quickness #sprinting #sportslife #athleticperformance #athletictraining #corework #offseasontraining #strengthandconditioningcoach #athleticdevelopment #explosiveness #sportsperformancetraining #sportspecific #athleteslife #hipflexors #rangeofmotion #sprinttraining #movementtraining #movementtherapy #explosivepower #speeddrills

#LILAEDUCATION with Dr. John Cronin // Shoulder strengthening during swimming​

So how does the wearable resistance (WR) affect swimming performance? We have done minimal research in this area so far, but here is what we have found, via Ellen Quirke’s Master’s thesis.​

The physiological responses to proximal upper arm loads of 0-500g per arm during submaximal 200m freestyle swimming were investigated in 15 national level swimmers (age: 16-24 years, 7 male & 8 female, average 200m PB: 126.31 ± 10.46sec).​

What was noted was that the 100-300g loads produced little change in swim times, blood lactate (BL) and heart rate (HR). The 400-500g loads increased BL (↑0.74 to ↑2.40mmol-1, Effect Size: 0.41 to 1.29) in males whilst they maintained submaximal speeds. Females BL on the other hand remained unchanged and swim times increased substantially (1.9 to 2.6%). HR was unaffected in both genders.​

It would seem lighter arm loads can be used to overload the stroke/shoulder musculature with minimal effects to performance parameters in both genders, however, males seem better able to tolerate the heavier 400-500g loads.​

There is a tremendous opportunity for a load of original and novel research in this area to inform better swim training.​

#LILAExogen #ImproveTheWayYouMove #WearableResistance #TrainSmart #SpeedTraining #SpeedandAgility

"From first glance the LILA Exogen suit is instantly intriguing to the athletes. It provides 𝚔𝚊𝚒𝚣𝚎𝚗 to sports performance training as well as rehab training. There are many times where athletes will guard themselves from old injuries in the final stages of rehab before returning to the playing field. LILA Exogen assists in helping athletes overcome these final barriers in the specific movements that are involved in sport. I look forward to using this tool to help my athletes gain their confidence back before returning to the court."​

- @KyleUptmore of Beijing Great Wall Women's Basketball Team – WCBA 🏀​

📍China 🇨🇳​

#LILAExogen #ImproveTheWayYouMove #WearableResistance #TrainSmart #SpeedTraining #SpeedandAgility

Our #LILAWebinar is happening in 1 hour! Watch our webinar on LILA Movementechonology Facebook Page to tune in to our 3 distinguished speakers: Dr. John Cronin, Carl Bergstrom & Joseph Dolcetti.

Here's the link to watch the session later

Remember to SHARE & TAG your fellow coaches to be notified. See you!

#LILAEDUCATION with Dr. John Cronin // Reducing Injury with SPOT​

Prehab. Preconditioning. Prevention.​

Previously I talked about understanding the common injuries in your sport and their aetiology, so you can incorporate exercises into your programming to precondition the relevant musculature.​

Some programs, especially those working with high performing athletes/teams, spend a lot of time trying to find these magic bullets. I was talking with a trainer last week from one of the richest well-resourced soccer clubs in the world, who have a fantastic program for injury prevention, but are still getting hamstring injuries. Very frustrating.​

So how do we decide on these exercises? Where do we start? I’ve always found Caroline Finch’s model helpful, which is quickly outlined below.​

· Injury surveillance – get the stats​
· Establish causes and injury mechanisms​
· Develop preventative measures​
· Apply scientific approach e.g. change one thing at a time​
· Develop your implementation strategies​
· Evaluate the effectiveness of the preventative measures​
· Refine your strategies​

Each of these areas can be discussed in a lot more detail and complexity, so if you want to do a deeper dive let me know. Otherwise the reference is supplied below.​

Finch, C. (2006). A new ….. Journal of Science and Medicine in Sport. 9 (1–2), 3-9.​

*Check out our upcoming Education posts as we take a deep dive into Reducing Injury with SPOT*​

#LILAExogen #ImproveTheWayYouMove #WearableResistance #TrainSmart #SpeedTraining #SpeedandAgility​

#LILAEDUCATION with Dr. John Cronin // Reducing Injury with SPOT​


Previously I suggested to ensure sure you have integrated physiotherapeutic and strength and conditioning (S&C) screens in place that provide sport, position and/or activity specific diagnostics to reduce injury. Coming from a S&C perspective there are a number of screening tools out there, my favourite the Movement Competency Screen (MCS) developed by Matt Kritz. Up front, I have some bias as I was on the team that helped Matt develop it.​

Some reasons why I like it:​

*The MCS is based on common movements that S&C coaches use – squat, push, lunge and twist, bend and pull.​
*An observation was that many S&C coaches were loading faulty movement patterns, so it provided a checklist what to look for in good movement patterns.​
* It also provided a framework for progressively overloading the athlete​

o Assisted​
o Bodyweight​
o Resisted​
o Eccentric​
o Plyometric​

So you would video record all the movement patterns in a couple of minutes using body weight only. Thereafter decisions were made as to the entry point for the athlete e.g. couldn’t do a body weight squat, therefore the athlete was regressed to an assisted squat. From that point screening was daily i.e. coaching.​

Have you a favourite screening tool?​

*Check out our upcoming Education posts as we take a deep dive into Reducing Injury with SPOT*​

#LILAExogen #ImproveTheWayYouMove #WearableResistance #physiotherapy #strengthandconditioning

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