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A Podcast Network Dedicated to Effective Thinking for Potent Exercise.
Our current offering consists of three shows that will help bring your limitless fitness potential within reach by teaching you how to think outside the box and into the undertones of exercise.
Think Fit. Be Fit. is released on Mondays, Fitness for Consumption is released on Wednesdays and Peach Pit Fitness is released on the first Monday of every month. 
Our host roster have over 70+ years of experience in exercise science, personal training, athletic training, kinesiology and innovating throughout the fitness industry.
This ongoing conversation about the nuances of training will help trainers, coaches and fitness lovers connect deeper to their exercise and the process of exercise science. Let's create a new conversation about exercise!

Feb 17, 2021

Dr. J, Gregory, and special guest Dr. David Behm scrutinize one of today’s most popular training practices, unstable surfaces.  From foam pads, to physioballs and Bosu’s, the fitness world is literally moving beneath our feet. 

But are these tools really effective?  As usual, that depends.  Listen in as they share insights, research, and practical suggestions that may have you seeking more solid ground.

In this episode we discuss:


  • A brief history of instability training in the gym
  • Force production on unstable surfaces
  • An EMG increase can correlate with decreased force output
  • Unstable vs variable environments and prediction
  • Static, dynamic and meta-stable training conditions
  • Power training through the lifespan



Dynamic equilibrium - A state of equilibrium during which the center of gravity is in motion.


EMG - Electromyography.  A process of measuring muscle activity through the use of sensors placed on the skin (surface) or in the muscle (indwelling).


Equilibrium - Otherwise known as balance; a state in which one’s center of gravity is aligned over their base of support.  Once the center of gravity projects beyond the supporting base, equilibrium is lost and falling occurs.


Metastable - A transient state of dynamic instability followed by a corrective response that restores equilibrium and stability.


Stability - A variable condition expressing the degree to which equilibrium can be maintained.


Static equilibrium - a state of equilibrium during which the center of gravity remains relatively motionless. 



Anderson, K.G. and Behm, D.G. (2004) Maintenance of EMG activity and loss of force output with instability.   The Journal of Strength and Conditioning Research.  18(3): 637-640.


Anderson, K.G. and Behm, D.G. (2005) The Impact of Instability Resistance Training on Balance and Stability.  Sports Medicine. 35(1): 43-53.


Behm, D.G. and Anderson, K.G. (2006) The role of instability with resistance training.  The Journal of Strength and Conditioning Research.  20(3): 716-722.

Behm, D.G., Anderson, K. and Curnew, R.S. (2002).  Muscle force and activation under stable and unstable conditions.  The Journal of Strength and Conditioning Research.  16(3): 416-422.


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