90% of Hamstring Tightness Comes from THIS

Want personalized help fixing this? See if we're a fit: https://zaccupples.com/movement-coaching Want to learn the system yourself? Get 49 lessons on movement, pain, and training (free): https://go.zaccupples.com/49-day If you’re new here, I’m Zac Cupples. I’m a physical therapist and movement coach who’s spent the last 14+ years helping people move better, hurt less, and train smarter. I’ve worked across private practice, professional sports (including the NBA), and online coaching. My specialty is blending biomechanics, pain science, and fitness to help people actually feel and move better. We don’t just chase symptoms here. Here’s how I got here: 25: Earned my Doctorate of Physical Therapy (DPT) 26: Completed an orthopedic residency and earned my OCS (Orthopedic Clinical Specialist) 27: Started blogging and reviewing over 100+ continuing education courses to help others learn faster 29: Worked in the NBA with the Memphis Grizzlies as a team physical therapist and strength coach 30: Worked as lead physical therapist, strength coach, nutritionist, and load management for The Grizzlies’ D-League team, Iowa Energy 31: Launched my online movement coaching and mentorship business and began teaching my flagship seminar, Human Matrix 34: Began working in the cash pay physical therapy setting 36: Opened my own cash-pay physical therapy practice in Las Vegas, NV, combining rehab, movement training, and performance optimization Today: I coach clients worldwide, helping them overcome pain, move better, and train smarter through personalized online coaching, educational courses, mentorship, and hands-on therapy at my Las Vegas clinic. I’m also fortunate to have an incredible team of coaches who share the same mission—to help you get real, lasting results without chasing endless drills, gimmicks, or hacks. Whether you’re here to move better, lift stronger, recover from pain, or just stop feeling stuck, you’re in the right place. Appreciate you being here. Stay moving, Zac ⚠️ DISCLAIMER ⚠️ The information provided in this video is for educational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition. The information presented in this video is based on the current state of medical research and the experience of the presenter. However, medical knowledge is constantly evolving, and the information presented in this video may not be completely up-to-date or applicable to your specific medical condition. Therefore, it is important to consult with your healthcare provider before making any medical decisions or taking any actions based upon the information presented in this video. The presenter of this video and any related content, including but not limited to text, graphics, images, and other material, are not liable for any errors or omissions, or for any outcomes that may result from the use of the information presented in this video. Participation in any exercises or techniques shown in this video is at your own risk. The creator of this video is not responsible for any injuries or damages that may occur as a result of following the advice or exercises demonstrated. You are not permitted to reproduce, distribute, or use this content without express written permission. All rights reserved.