If getting down to the floor is tough, here’s how to stretch your hips, hamstrings, and upper back using just a chair. 1. Hip Flexor Stretch (Chair Lunge) Cues: Place one foot on the chair, toes straight ahead. Keep your front knee behind your toes and your chest tall. Slowly drive your hips forward and reach your arm up on the same side as the back leg. Tips: Focus on squeezing your glute on the back leg to protect your low back. Take slow breaths and let your hip open gradually. Value: Tight h