Hip flexors shorten with sitting
Hours of sitting keep the hip flexors in a short position and the glutes electrically quiet. Standing and hinging undo both.
MoPro
Trainer's Eye
Phase 3 opens at the hips — kept short by sitting all day, and the reason so many desk backs ache.
Hours of sitting keep the hip flexors in a short position and the glutes electrically quiet. Standing and hinging undo both.
Sitting, especially slumped, raises pressure in the lumbar discs compared with standing. Regular position change lowers it.
A short night raises next-day pain sensitivity. Sleep is part of a desk-pain plan, not a bonus.
Three couplets · two rounds · twelve minutes · a body built for the desk
Tuck the tailbone under, then shift forward until the front of the back hip stretches.
Easier hold still, no rock · Harder reach the arm overhead
Back foot up on a chair in half-kneeling; tuck the tailbone and rock gently forward.
Easier foot lower · Harder upright torso
Drive through the heels to a straight line and squeeze one second at the top.
Easier smaller range · Harder 3-s hold
Bridged up; lift one foot a fist high without letting the hips drop.
Easier smaller lift · Harder 2-s hold
Flatten the low back, then let it arch a little — find the comfortable middle.
Easier smaller range · Harder hold neutral five seconds
Knees bent and together; sway a hand-width each way with the belly quiet.
Easier smaller sway · Harder pause each side
Each couplet: 60 s scored → the loading set → 10 s to move on. Done at 12:00.