Hyperlordosis of the lumbar spine

Frames:

1. Normal shape

2. Hyperlordosis: the Lumbar spine is too far forwards and the pelvis is tipped forwards.
Likely to cause pain across the low back due to excessive weight bearing in the red zones.

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Displacement of the 5th lumbar vertebra

Frames:

1. Normal shape

2. 5th Lumbar vertebra displaced to the right.
Likely to cause pain on one side spreading into the Sacro-iliac joint, up the spine and down the back of the leg as Sciatica.

3. Spread of pain and spasm along the spinal muscles

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Sacro-iliac strain

Frames:

1. Normal shape

2. Left Sacro-iliac joint strain.
Likely to cause great pain and widespread muscle spasm as well as Sciatica.

3. Close-up of a cross-section through the Sacro-iliac joints in their usual, painful displacement pattern.

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Movement of the sacro-iliac joints

Frames:

1. The position of the Sacro-iliac joint when we are standing up straight

2. The postion of the Sacro-iliac joint when we are lying on our backs.

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Sacro-iliac joint pain

Frames:

1. Normal shape

2. Right Sacro-iliac joint strain.
Often caused by a long term tendency to rest on the same buttock when seated.

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