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Summary

Dr. Beau interviews Keith Baar, a muscle and tendon expert, about his research and findings. They discuss the practicality of research and the challenges of sifting through vast amounts of information. Keith Baar shares his background in kinesiology and how he transitioned to studying tendons. They delve into the importance of tendon as a master mechanical tissue and the implications for tendon injuries and rehabilitation. They also touch on the use of vitamin C and gelatin in enhancing tendon health and the importance of timing and targeting in collagen synthesis. The conversation explores the use of blends of proteins, such as whey protein and hydrolyzed collagen, along with vitamin C, to benefit the musculoskeletal system. The combination of these components can increase connective tissue protein synthesis and muscle adaptation. The importance of vitamin C in collagen utilization is highlighted, as it is essential for collagen secretion from cells. Fasted training can enhance adaptation by increasing metabolic stress and activating specific molecular signals. The timing of nutrient intake, particularly protein, is crucial for optimal muscle and immune system function. The concurrent training effect, where strength and endurance training are combined, may be influenced by protein intake and metabolic demands. The benefits of fasted workouts and the time dependency of glycogen depletion are discussed, with a focus on mitochondrial adaptation and connective tissue response. Splitting training sessions into multiple bouts can provide more stimuli to connective tissues while still achieving the same adaptive signal for the heart and skeletal muscle. Low glycogen training can be achieved by having a low carbohydrate dinner the night before a session, resulting in a fasted state without negative effects on the body. Multiple smaller sessions of rehab exercises throughout the day may be more effective than one longer session for tendon healing. The donut hole theory of tendon healing suggests that offloading a tendon can lead to scar-like changes, while loading the tendon can promote healing. The relationship between muscle mass and strength is not linear, and strength gains can be achieved without significant muscle growth. There may be a nutrition molecular pathway that can increase tendon lengthening, which could have implications for athletic performance and injury prevention.

In this conversation, Dr. Beau and Greg Rose discuss various topics related to movement and injury. They touch on the alternating joint hypothesis, the three pathways of injury (trauma, insidious onset pain, and altered motor control), and the importance of hands-on palpation and manual therapy in treatment. They also discuss the potential for a TPI-like model for screening and coaching runners. Overall, they emphasize the importance of understanding movement and addressing both mobility and stability issues in order to prevent and treat injuries. Running as a sport requires highly trained skills, just like pitching in baseball. Any movement can be turned into a sports skill with the right boundaries, technique, and rules. Running can be a skill, especially in sprinting and distance running, where training plays a significant role. However, the challenge lies in maintaining proper form and technique over long distances. Shoe fitting is crucial in running, as it should match an individual's physical abilities and needs. Force plates have revolutionized training by allowing coaches to understand and evaluate athletes' movements and exercises. Guidance devices, like RNT, can be helpful in teaching proper movement patterns, but it's essential to transition to performing without the device to ensure transferability. Motor learning drills should be practiced with variety, high conscious level participation, and sufficient time to strengthen tissues and make individuals more resilient. The decision to transition from motor learning to strengthening is a coaching decision based on trust and proficiency in performing the desired movement pattern. In this part of the conversation, Greg Rose and Dr. Beau discuss the concept of advantageous asymmetries in sports. They talk about how certain asymmetries can be beneficial for athletes in specific sports, such as golf and baseball. They also touch on the topic of normal movement patterns and how they can differ among athletes. Additionally, they discuss the importance of force production and how it affects performance. They mention the idea of the 'big brake theory,' which suggests that an athlete's ability to decelerate is crucial for acceleration. Finally, they mention ongoing research and development in the field of movement analysis, including the exploration of top-tier movements for assessing wrist and foot mechanics.