I have a similar situation at the moment - soreness in the hip - and difficult to pinpoint, except that it is sore when I walk on it or stand on it. Sitting helps to relieve the pain and in the mornings I am usually feeling improved. Have been to physio - he tried working on the joint with traction to no avail after 2 weeks of treatment. Tried a Chiro for 2 visits which seemed to help a little. Went to trigger point massage therapy - she couldn't find the problem either. While there were some sore points, the core issue is still there when standing or walking. So I've dont a heap of research and can only comment on what have found in my case..
Clearly compression on the joint causes the pain. Either the pain is coming from the spine (nerve compression from prolapsed disc) or from the hip joint. I am slowly ruling out the back option as the chiro straightened me out and the pain stayed. Also because sitting seems to ease the pain. In my case the the pain feels like it's close to the bone/ around the femoral neck. My pain developed after excessive cycling and stretching while training for long distance cycle races (100+km). I believe my issue has to do with either:
1. Most Likely - Ligaments over-stretched through excessive use or over-stretching.
ON LIGAMENTS..There are several important ligaments in the hip. Ligaments are soft tissue structures that connect bones to bones. A
joint capsule is a watertight sac that surrounds a joint. In the hip, the joint capsule is formed by a group of three strong ligaments that connect the femoral head to the acetabulum. These ligaments are the main source of stability for the hip. They help hold the hip in place.
A small ligament connects the very tip of the femoral head to the acetabulum. This ligament, called the
ligamentum teres, doesn't play a role in controlling hip movement like the main hip ligaments. It does, however, have a small artery within the ligament that brings a very small blood supply to part of the femoral head.
A long tendon band runs alongside the femur from the hip to the knee. This is the
iliotibial band. It gives a connecting point for several hip muscles. A tight iliotibial band can cause hip and knee problems.
A special type of ligament forms a unique structure inside the hip called the
labrum. The labrum is attached almost completely around the edge of the acetabulum. The shape and the way the labrum is attached create a deeper cup for the acetabulum socket. This small rim of cartilage can be injured and cause pain and clicking in the hip.
In this case, I hope rest and gentle use over about 4-6 weeks should see marked improvement. Today I'll be hiring crutches to give my hip some rest for a week or 2 and see how that goes.
2. Next Most Likely - Muscle tear. Again lots of rest and very gentle rehab - moving the hip through it's range of motion, gently working the muscles to move leg back and forth and eventually up and down. Again - crutches will help rest the hip.
3. Other possibilities - bursitis (not likely as the pain does not seem to fit bursitis), or labrum tear or bruising - not likely to be a tear as I didn't have an impact injury, but could be bruised due to excessive stretching - rest should help.
If you can see your doc and get a referral to an orthopedic surgeon, you should be able to arrange MRI scans from there to determine what is going on and get help. As you wait for your appointment, get as much rest as you can, and be patient to make a slow recovery over 1-2 months, maybe more.
all the best!