How your body moves?
Your running movement starts with Central Nervous System (CNS) using preconceived motor programs and sensory information that make adjustment, for instance skipping over a pothole.
The energy that drives you forward is a result of muscle contraction.
The good news is, there are other 2 types of “free” energy you can (and should) utilize when your run.
1) Energy from the Foot-Ground Collision
This is where the passive mechanic comes in.
When a runner’s foot collides with the ground, energy is produced from the impact.
Instead of putting the energy into waste, your foot muscle tendon has the capability to utilize this energy.
Your muscle tendon elasticity is the key to utilize this free energy.
This is also the reason a minimum of 180 steps per minute (spm) is introduced.
Your supporting leg need to pull up from the ground quick enough in order to use the temporarily stored energy like a spring.
If you have no idea about 180 steps per minute.
Here’s how it sounds like:
You can also download Metronome app and practice running in place with 180 spm for 3-5 minutes and gradually increase your spm to 190.