Aches and pain in lower back when sleeping or swimming on my front

[MrPhysio+]

Hello Evosy1978,
At a quick guess from your symptoms I strongly suspect that you have sacro-iliac joint (SIJ) ligament irritation causing
erector spinae muscle tightening and probably piriformis shortening as well. The effect is the hyperlordosis you describe.
SIJ problems rarely show on scanning as they are ligament based and have a poor blood supply meaning slow healing.
If conventional treatments do not help you, a sacro-iliac joint non stretch 50mm belt worn over the gluteus medius muscles
would stabilise the pelvis and assist healing.
It is very important to put the belt on when laying down, not standing, to ensure the ligaments are not under strain, If you put the belt on in standing the pelvic joints are loaded and the belt will hold them in the wrong position.

Initially, use the belt 24 hours a day (except showering), then after around 4 weeks wear during the day fdrom when you get up to when you go to bed for a fortnight. After this time, if feeling better, you can reduce the time by one hour every few days.

It would be wise to use the belt whenever doing activities such as lifting, twisting or lunging.

Overall, avoid lunging movements as they will load the SIJ. Standing with your feet a little wider than normal and knees with a very slight bend (just unlocked) reduces strain as well.

To reduce pain / inflammation in the initial stages you can take slow release paracetamol and fish oil capsules (6 1000mg), provided you have no problems with such items - check with your Doctor if unsure.

Hope the above helps.
Cheers,
MrPhysio+