It’s hard to tell from the pics but it looks like the hump could be due to a lack of flexibility in the hips. When you bend over your body will flex at the point of least resistance. If your hips are too tight, your spine compensates by bending at your lower back, producing a hump.
Are your hips tight (ie can you bend soley at the hips)? When you bend over does the hump become visable once your hips stop flexing? If so try searching the site for some good hip flexibility. There’s tonnes of articles (Cressy, Robertson)
i honestly don’t even understand what you mean by bend at the hips the only way i can prevent the hump is by arching very hard and thrusting my butt out but it still appears as i get lower.
Think of your hip joint like a hinge. If you stand up and try to bend over and touch your toes using only you hips, your upper back should be completely straight (ie if a ruler rested on it, it would be flat).
Once your back starts to curve (flex), you are using the vertabrae in your back to get your hands closer to the floor. This compensation pattern is fairly common. If your hips truly are tight you will find that can’t bend over very far keeping your back straight.
You mention that the humps still appears when you go lower this may be because once your hips flex maxs out, you have to bend at the lower back to get further. The solution to this take time as you have to improve flexibility and retrain your body to only flex at the hips.
Hope this helps. BTW I had the same problem years and with a lot of effort have corrected. Don’t ignore this though as you’re asking for an injury down the road.[/quote]
haha i feel really strange right now, because i understand what you’re saying but i’m trying to bend solely from the hips, and i seem to always use my lower back. i will definitely work on this though because it’s kind of scaring me.