Karl Knopf

Books
Stretching for 50+ Stretching for 50+
Stretching for 50+
2017
Resistance Band Workbook Resistance Band Workbook
Resistance Band Workbook
2013
Kettlebells for 50+ Kettlebells for 50+
Kettlebells for 50+
2012
Heal Your Frozen Shoulder Heal Your Frozen Shoulder
Heal Your Frozen Shoulder
2017
Foam Roller Workbook Foam Roller Workbook
Foam Roller Workbook
2019
Beat Osteoporosis with Exercise Beat Osteoporosis with Exercise
Beat Osteoporosis with Exercise
2016