A coach explains why desk sitting weakens your core: it keeps your hips flexed and limits diaphragm movement, so your deep stabilizers stop firing and your lower back takes the load instead. Crunches won't fix it because your core needs anti-rotation and anti-extension work, not just spinal flexion.
Chapters
The reasons why your core is extremely weak even though you think you're training it properly. No, it's not a lack of ab exercises, 'cause I'm pretty sure you train that as well. It's really the prolonged sitting at your desk job. Yes, it keeps your hips in flexion and reduces your diaphragm movement. That's very disturbing, trust me on that, because over time that will disrupt your intra-abdominal pressure, a mechanic your body uses to stabilize the spine. In simple terms, when the pressure drops, right, the deep stabilizers that you got, like your transverse abdominis and internal obliques, they stop firing efficiently. And we obviously want to avoid that because your nervous system adapts by Shifting load to the lower back instead of disrupting force through the core. You feel me? That's why back tightness, it shows up before ab fatigue. And I've said this countless times, that crunches on your back would not necessarily fix this problem, 'cause the core's primary role isn't only spinal flexion. Anti-extension, anti-rotation, and obviously force transfer. Honestly, the solution for this is really just doing daily core exercises at different intensities. Activation to restore firing patterns and loaded workouts to reinforce stability under stress, gentlemen. Train the system, not just the abs. And for more, simply DM me, Coach.