Instruction Dr. Sasho Mackenzie on speed training December 15, 2021 Share on Facebook Share on Twitter Share by Email Biomechanist Dr. Sasho Mackenzie discusses speed training and how it can help your golf swing. Latest In Instruction 19 hours ago Here's why this Sentry contender is trying an unusual pre-shot routine 21 hours ago ‘It was see food, eat food’: Pro used this diet to gain ‘20 pounds of muscle’ 23 hours ago How do you describe a putt's break? Top instructor shares helpful graphic 24 hours ago 4 rules incidents unlocked after pro's tee shot: ‘I had a funny situation'