20/10/2026
Is there such a thing as the most important muscle?
In the fitness and longevity space, there’s so much great information out there. Yes, you want to stay strong and maintain muscle as you get older. But strength alone isn’t enough — mobility and movement are key. After all, what good are strong muscles if you can’t move well? (And no, muscles and mobility don’t contradict each other — they support each other.)
You should also care about your HRV (Heart Rate Variability). HRV reflects how resilient your body is to stress — both physical and mental. The fitter you are, the less energy your body needs for recovery. It’s a really important metric… but that’s a topic for another day.
What makes us human is the way we walk. We’re bipedal — we move upright on two legs, with opposite limbs working together seamlessly. Anatomically, the pelvis stabilises the spine, the spine shifts our centre of gravity, and the legs and feet balance and propel us forward.
Considering all this, you could argue that the most important muscle group is the glutes.
But the glutes are part of something bigger — the posterior oblique sling, which connects the opposite shoulder and hip through connective tissue. It’s key for stability and transferring power between the upper and lower body.
In simple terms, everything we do — walking, running, throwing, lifting — involves this system. When it’s weak, it can lead to lower back pain, hip issues, pelvic instability, or hamstring problems.
So how do you train the glutes?
Focus on connection, not isolation. The glutes don’t work alone — they’re linked with the core and lats. You want to improve the “communication” between these muscles. That’s how you build strength that also resists force — essential for injury resilience.
The result? Better core stability, a more stable pelvis, and a stronger link between upper and lower body for everyday movement.
Find out how we can coach you to move better, feel stronger, and stay healthy in our 6 Week Kickstarter Programme.
