Books by Karl G. Knopf
Estiramientos 50+
Estiramientos 50+
Heal your frozen shoulder
Heal your frozen shoulder
Beat osteoporosis with exercis
Beat osteoporosis with exercise
Injury rehab with resistance bands
Ab Wheel Workouts 50 Exercises To Stretch And Strengthen Your Abs Core Arms Back And Legs
Resistance band workbook
Core strength for 50+
Healthy shoulder handbook
Principles of Fitness Therapy
Principles of Fitness Therapy
Stretching for 50+
Adapted exercises for the disa
Adapted exercises for the disabled adult