5 doctors weighed in:
What causes right low back pain and front right thigh pain?
5 doctors weighed in

Dr. Mark Weston
Orthopedic Surgery - Spine
2 doctors agree
In brief: L34 disc herniation
Ppressure on the L4 nerve cause front of thigh pain.
This can be caused by degenerative settling and crowding.

In brief: L34 disc herniation
Ppressure on the L4 nerve cause front of thigh pain.
This can be caused by degenerative settling and crowding.
Dr. Mark Weston
Dr. Mark Weston
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Dr. Craig Morton
Physical & Rehabilitation Medicine
2 doctors agree
In brief: Neural irritation
There are several causes of low back pain and thigh pain.
Problems with the hip joint can often cause back/buttock pain that radiates to the groin and thigh. Irriation to the lumbar nerve roots in the lower back can also cause leg pain. Thigh pain is often seen with irritation to the l2, l3, and/or occasionally L4 nerve roots.

In brief: Neural irritation
There are several causes of low back pain and thigh pain.
Problems with the hip joint can often cause back/buttock pain that radiates to the groin and thigh. Irriation to the lumbar nerve roots in the lower back can also cause leg pain. Thigh pain is often seen with irritation to the l2, l3, and/or occasionally L4 nerve roots.
Dr. Craig Morton
Dr. Craig Morton
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Dr. Laurence Badgley
General Practice
In brief: Sacroiliac joint
Sacroiliac joint dysfunction, unlike lumbar spine disorder with neural impingement, is known to include radiation of pain to anterior thigh & groin.
For more information about this topic see my chronic pain board at quora.Com.

In brief: Sacroiliac joint
Sacroiliac joint dysfunction, unlike lumbar spine disorder with neural impingement, is known to include radiation of pain to anterior thigh & groin.
For more information about this topic see my chronic pain board at quora.Com.
Dr. Laurence Badgley
Dr. Laurence Badgley
Thank
1 comment
Dr. Laurence Badgley
My clinical research paper, RADIOLOGIC DEMONSTRATION OF SYMPTOMATIC SACROILIAC JOINT HYPERMOBILITY, has been accepted for publication at 8th Interdisciplinary World Congress on Low Back & Pelvic Pain, taking place in Dubai on October 27 -31, 2013.  I have been asked to make an oral presentation. 
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