The average person spends about 10 hours a day being inactive. We sit in our cars, in front of our computer, and on the couch. This leaves us hunched over and in pain.
The human body is extremely efficient. Muscle function adapts immediately to the demands placed on them. When you are active your muscles improve their neuromuscular, biomechanical and metabolic functions to accommodate your activity. When you're not active your muscles adapt to inactivity. Hip flexors shorten, your neck and upper spine protrude forward and your glutes and hamstrings weaken.
Below are some examples you can do throughout the day to “un-desk” your body. Perform these exercises every 60-90 minutes throughout your day. Also try to stand every 20-45 minutes.