Making Physiology Happen


Wii Balance Board and EMG Activity

Balance: The ability of the body to achieve a state of equilibrium, in this case ~ equal weight distribution.

A good way to measure your balance is to stand on one leg with your arms across your chest and your eyes closed. How long can you balance without wobbling? Being able to maintain balance with minimal effort will help conserve energy. This energy can then be used for more explosive muscle contractions when performing sports related activities, or other activities in general. Balance can always be improved through practice and training.

Proprioception: An awareness of the position of one’s body and limbs in space.

If you can walk without watching your feet, kick a soccer ball without focusing on the ground, or shake someone’s hand without looking your own hand, you’re using proprioception. Proprioception is the capacity of the body to determine where all of its parts are positioned at any given time, and it plays an important role in your health and well-being.

Proprioception can be a difficult concept to grasp until you lose it, because so much proprioception
occurs subconsciously, as a type of “sixth-sense” about the world around you. The most common symptom of reduced proprioception is poor balance. In this respect, most people can understand the concept that poor balance can be a result of poor proprioception. Even spinal posture has a proprioception component telling you whether or not you are sitting or standing upright. Good posture can be thought of as perfect spinal balance.

Where does the Wii Balance Board Fit?
Knowing what happens to your balance and center of gravity while doing certain body movements is a great way to train and improve core strength and posture. This lab will focus on standing on the Wii Board and trying to maintain that “perfect” balance while hula hooping, bending over, even holding weights (maybe even while standing on one leg).

Use iWorx LabScribe software to visualize the body action and make corrective adjustments if needed. You can also take a look at EMG activity – what muscles are working when you balance correctly?

Find your body’s perfect balance.

Download the Lab (.pdf)

See other popular physiology labs from iWorx


  • Teach 59 experiments and more than 175 exercises in cardiovascular, respiratory, and neuromuscular physiology
  • Fast set-up
  • Pre-calibrated plug-and-play sensors
  • Easy-to-use LabScribe software
  • Built-in spirometer to reduce drift
  • iWire technology for reduced noise

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