Knee's osteoarthritis and formidable power of walking barefoot.

Knee's osteoarthritis affects 50% of people over the age of 60, is characterized by deterioration of articular cartilage in load zone.

A study by Dr. Najia Shakoor at  Rusch University of Chicago, highlighted how walking barefoot can change the pressure inside medial knee.
The pressure is reduced by approximately 18%, with benefits to patients who suffer from osteoarthritis of the knee.

Another piece is added to complex understanding of posture and gait kinetics, another small step in understanding of that fantastic energy from natural walking motion.
That energy we feel every day lived in observance of million years of our history.

Najia Shakoor study
Wiki about knee osteoarthrits