Continuing on from Your boney hollow now lets move to the other end of your spine. At the very end is your tail bone, the coccyx, then slightly higher is your sacrum and the sacrum attaches to the lumber spine, then to the thoracic spine on to the cervical spine to the base of your skull.
So how many vertebra do you have?
It’s very easy to remember, excluding the coccyx and sacrum you have breakfast, dinner tea. You breakfast at 7 (the cervical spine, C1 to C7, the neck), then dinner at 12 (the thoracic spine T1 to T12) and tea at 5 (the lumbar spine L1 to L5).
You can now impress at the next quiz.
Back to the sacrum, the sacrum is part of the pelvis with the two hip bones, these bones are connected by a movable joint the sacroiliac joint, the movement is very small but it good to know that there is movement, and at the front where the two hip bone meet there’s a disc similar to the ones in our spine, the symphysis pubis, so though you may think the pelvis is a fixed boney structure there is some movement between the bones, more akin to shock absorbers.
Each hip bone is made up of three bones which fuse together during childhood, these are the ilium, you can feel this bone, the top part is the iliac crest, if you prod around your waist line the bone you can feel is the iliac crest. The other two bones are the pubis which is at the front where the symphysis pubis connects and to the rear and the ischium. You will need to do some research on the shape of the pelvis as I can’t describe it fully in words.
The centre where these three bones meet is the acetabulum, the socket for the ball of your hip bone. Acetabulum is one of those words I just love, whoever and whenever our bones where named they sometimes used common terms that were useful, acetabulum is one of them. Acetabulum means vinegar bowl, I imagine they used an animal pelvis for their vinegar during there banquets and feasts
Back to the ischium, the lower part is the ischial tuberosity, also know and the sit bones, lets find these sit bones. Please sit, they are easier to find when sitting, move over to one of your sit bones and on the other side put your hand under your raised sit bone and the chair, then move back to upright, now for the warning, this may hurt as your fingers get squashed so look after yourself. Hopefully you have felt something boney, that’s your sit bones.
In the world of Alexander the sit bones are very important, when sitting they contact you to the ground via the chair or stool you are sitting on. If you consciously know the location of your sit bones and your head neck joint, connecting the two ends of your spine with a thought of your head lightly resting on the top of your spine, you may be able to extend that lightness down your spine to your sit bones and sense that you are fully supported on your sit bones, gently balancing. I have the image of a gently moving grass in a meadow, each piece of grass is fully connected to the earth with the head of seeds just move with the gentle breeze.
We have evolved to be in movement, so whilst you are sitting image a blade of grass moving with the breeze and transpose the thought to yourself, being grounded by your sit bone and allowing your head to gently move with freedom all the way down your spine.
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