Make the Pool Your Gym: No-Impact Water Workouts for Getting Fit, Building Strength and Rehabbing from InjuryKarl Knopf
Beat Osteoporosis with Exercise: A Low-Impact Program for Building Strength, Increasing Bone Density and Improving PostureKarl Knopf5
Foam Roller Workbook: Illustrated Step-by-Step Guide to Stretching, Strengthening & Rehabilitative TechniquesKarl Knopf
Stretching for 50+: A Customized Program for Increasing Flexibility, Avoiding Injury and Enjoying an Active LifestyleKarl Knopf5
Foam Roller Workbook: A Step-by-Step Guide to Stretching, Strengthening and Rehabilitative TechniquesKarl Knopf
Injury Rehab with Resistance Bands: Complete Anatomy and Rehabilitation Programs for Back, Neck, Shoulders, Elbows, Hips, Knees, Ankles and MoreKarl Knopf5
Trigger Point Therapy with the Foam Roller: Exercises for Muscle Massage, Myofascial Release, Injury Prevention and Physical RehabChris Knopf5
Healthy Shoulder Handbook: 100 Exercises for Treating and Preventing Frozen Shoulder, Rotator Cuff and other Common InjuriesKarl Knopf