Dr. Karl Knopf is the coordinator for the fitness therapist program at Foothill College of California.
Resistance Band Workbook-Karl-Knopf-9781612431710-14.95-Ulysses Press-4/9/13-5500-Foam Roller Workbook-Karl-Knopf-9781569759257-14.95-Ulysses Press-4/1/11-33000-Healthy Shoulder Handbook-Karl-Knopf-9781569757383-14.95-Ulysses Press-3/9/10-21000-CORE STRENGTH FOR 50+-Karl-Knopf-9781612431017 -14.95-Ulysses Press-8/21/12-8527-