Leo attained cervical stability and lordosis through regenerative procedures and cervical curve correction. However, he still experiences head pressure, brain fog, and neck spasms. Watch a video explaining how Thoracic Hyperextension causes compression of the Lower Cervical Internal Jugular Vein, hindering Leo's recovery. Previously, Leo received advice to retract his shoulders and lift his chest, a common but ineffective approach. This posture now impedes his recovery by straining his posterior neck muscles as they attempt to alleviate the compression on his carotid sheath and jugular vein.