
Jacked Athlete Podcast
Intratendinous Pressure with Lauren Pringels
Chapters 00:00 Introduction to Lauren Pringels and her work on tendons 00:21 The development of her interest in tendinopathy 01:18 The concept of intratendinous pressure and its significance 02:17 How loading affects pressure inside the tendon 03:13 Research aims to understand pressure's role in tendinopathy 04:17 Sources of intratendinous pressure: external and internal 05:41 The anatomy of the Achilles tendon and torsion effects 07:06 The four main aims of her research framework 08:37 How structural changes in tendinopathy alter pressure behavior 11:00 The impact of tendon torsion on pressure during loading 13:23 Differences in tendon structure at the insertion and mid portion 16:36 Alterations in pressure behavior in tendinopathy 19:44 The vicious cycle of pressure, swelling, and pain 22:21 Therapeutic strategies to control pressure in tendons 25:18 Experimental studies on pressure during movement 37:50 Measuring pressure in living athletes 46:58 GAGs, fluid content, and their role in pressure changes 57:38 Implications for clinical practice and rehabilitation 01:17:14 How this research changes clinical practice and patient management Takeaways Tensile strain alone cannot fully explain insertional tendinopathy development. Increased tensile loads lead to higher pressure in tendon insertions. Torsion in tendons can significantly impact internal pressure during loading. Intra-tendinous pressure increases with exercise, affecting tendon perfusion. Corticosteroids can reduce GAG synthesis, impacting tendon health. Fluid retention in tendons can lead to increased pressure and pain. GAG accumulation in tendons is linked to swelling and pressure changes. Rest and proper recovery are crucial for tendon health post-exercise. High pressures in tendons can collapse blood vessels, affecting perfusion. Exercise can help reduce fluid retention in tendons. Heavier loading creates a stronger driving force for fluids. Slow loading provides time for fluids to escape from the tendon. The slow heavy condition produced the greatest response in tendon thickness and stiffness. Reducing compression during rehabilitation improves patient outcomes. Patient satisfaction was significantly higher in the low compression group. Applying a good load on the tendon is crucial for recovery. Rest is essential in the early stages of tendon injuries. Heavy slow and isometric exercises are well tolerated by patients. The GhenTendon initiative aims to bridge clinical care and research. Understanding intra-tendinous pressure is key to managing tendinopathy. Download Lauren's PhD: https://www.publicatie-online.nl/publicaties/lauren-pringels/ Lauren on Twitter: https://x.com/LaurenPringels Lauren on Instagram: https://www.instagram.com/lauren.pringels/ Lauren on LinkedIn: https://www.linkedin.com/in/lauren-pringels-773197203/ GhenTendon: https://www.ugent.be/ge/hsr/en/research/orthopaedics-and-traumatology/ghentendon Notes: https://jackedathlete.com/podcast-179-intratendinous-pressure-with-lauren-pringels/


