I think you should mention that for some people, stretching is not the solution and that it will deteriorate their posture. Some people need stretching, but most people I know need to strengthen their "overstretched" hip flexors. Many people can't do a single hanging leg raise. Check this site if you want to know more about the importance of hip flexors bit.ly/Unlock_Your_Hip_Flexor Report
2016 — More editing, more! Added some better information about pain being a poor indicator, and the role of myofascial trigger points. This article has become extremely busy in the last couple months — about 4,000 readers per day, as described here — so I am really polishing it and making sure that it’s the best possible answer to people’s fears about back pain.
If certain activities or overuse are causing hip pain, stop those that aggravate the discomfort and talk to your doctor. Excess weight can put pressure on the hip joint, so losing the pounds can provide relief and help you avoid further problems. Some causes of hip pain, such as fractures or hernias, may need surgical repairs. If your hip pain persists, talk to your doctor about the possible causes and treatments.
Lumbosacral plexopathy, more commonly called diabetic lumbosacral plexopathy is a condition caused by advanced diabetes, in which patients begin suffering with debilitating pain in the hips, thighs, and legs. With lumbosacral plexopathy there is typically a wasting of the leg muscles asymmetrically. This condition can affect individuals who have both type I or II diabetes. Treatment includes controlling blood glucose levels, and chronic neuropathic pain management achieved through anticonvulsant medications (such as gabapentin for back pain) and selective norepinephrine reuptake inhibitors (such as duloxetine).
Ankylosing spondylitis is a type of arthritis that specifically affects the spine. Ankylosing spondylitis causes a severe inflammation of the spinal vertebra that can cause debilitating pain throughout the back region. This condition can cause stiffness and pain not only in the spine but also inflammation, pain and stiffness in the ribs, shoulders, ribcage, hands, and feet as well. Symptoms include a dull pain in the lower back and buttocks, stiffness and lack of mobility in the hips, back, and legs, loss of appetite, fever, and general malaise. Treatment includes physical therapy, medication, hot and cold therapy, and exercises that reinforce good posture practices.