Free Your Feet and Your Mind Will Follow.
Healthy Feet can Hear the Heart of Mother Earth.
I just finished reading Balanced and Barefoot by Angela J. Hanscom. The book explores how many developmental delays and functional deficits have presented in children over the past 20 to 30 years and gives guidance on How Unrestricted Outdoor Play Makes for Strong, Confident, and Capable Children.
The author references many studies and interviews with teachers, doctors, parents, and others showing how children's developmental milestones have been delayed and how physical, cognitive, and emotional abilities have suffered as well as free time and play have become more structured, restricted, and indoors in the name of convenience, safety, and academic progress.
The author suggests that the remedy for these deficits is to allow a return to allowing more free and unrestricted (and barefoot) play in nature throughout childhood. She cites studies showing the beneficial effects of exposure to nature and free play, along with real world examples and practical suggestions for creating a new focus for children, parents, teachers, and caregivers.
I highly recommend this book for further reading as it provides many insights and elaborates so well on many of the ideals I highlight above as focuses for my own teaching and tutoring.