if you are hunched forward all day your lower cervical spine is in flexion and occiput/c1/possibly c2 joints are in extension. Results of prolonged FHP include progression to upper crossed, cervicogenic headaches (look up manual suboccipital release and perform it on yourself - usually take two tennis balls and place them in a sock then lay flat on a firm surface with this contraption under your suboccipital muscules)
t. Same Physio