Cannot sit flat — one hip rises off the floor
Hip mobility in one direction is severely restricted; use a prop under the hip.
Overactive muscles
TFLHip external rotators
Corrective work
Foam RollTFL↗StretchStanding TFL stretch↗Hip mobility in one direction is severely restricted; use a prop under the hip.
Hip mobility is the target; rounding the back just moves the stretch to the lumbar.