It's 2025, and it's a safe bet Day would say his back has never really felt great in the last decade. Use that as a ...

It's been almost a year since the ACP expired, and experts say it probably won't make a comeback anytime soon.

and postured their lower lumbar spine in greater extension during static sitting (−9.6°, p=0.007). No significant differences were reported in back muscle endurance and regional lumbar kinematics ...