Karl Knopf

Books
Healthy Shoulder Handbook Healthy Shoulder Handbook
Healthy Shoulder Handbook
2010
Stretching for 50+ Stretching for 50+
Stretching for 50+
2017
Core Strength for 50+ Core Strength for 50+
Core Strength for 50+
2012
Foam Roller Workbook Foam Roller Workbook
Foam Roller Workbook
2019
Weights for 50+ Weights for 50+
Weights for 50+
2005
Resistance Band Workbook Resistance Band Workbook
Resistance Band Workbook
2013