Dr. Randy Kertz is the primary physician at Health Care Specialists, Ltd in suburban Chicago. He is also a bass player and has presented several times at the International Society of Bassists conventions. Randy is the author of The Bassist’s Guide to Injury Management, Prevention, and Better Health, and creates videos for the ISB’s Body and Bass series. We dig into injury prevention, keeping in good physical shape, how to practice intelligently to avoid injury, and much more. Links to check out: Randy's website The Bassist’s Guide to Injury Management, Prevention, and Better Health Randy’s Bass Scapes album ISB Body and Bass videos with Randy the bass stances article that we reference Thanks to our sponsors! This episode is brought to you by D’Addario Strings! Check out their Kaplan strings, which have versatility and control throughout the dynamic spectrum, rich tonal color palette, superb bow response, and beautiful balance. Enter our latest string giveaway for Kaplan strings at contrabassconversations.com/strings! Thank you also to the Bass Violin Shop, which  offers the Southeast's largest inventory of laminate, hybrid and carved double basses. Whether you are in search of the best entry-level laminate, or a fine pedigree instrument, there is always a unique selection ready for you to try. Trade-ins and consignments welcome! This episode is also brought to you by Rosin Saver, a revolutionary storage device that keeps bass rosin feeling as fresh as the day it was made. Rosin Saver is used by members of the New York Philharmonic, the MET orchestra, the Los Angles Philharmonic, the Cleveland Orchestra, the Seattle Symphony, and many others. Use the promo code 'HEATH' at checkout for 10% off any and all orders from rosinsaver.com. Subscribe to the podcast to get these interviews delivered to you automatically!