# Spine #Physiology See [[body and injury log]] [[feeling twisted]] [[cracking and popping joints]] [[bridge pose]] ## Misc - I heard that sitting can have a load of 250% that of standing on certain vertabrea compared to standing (100%). - Laying down goes down to about ?~60% ## There are 33 stacked vertabrea - cervical (C1 to C7) - [[thoracic]] (T1-T12) - [[lumbar]] (L1-L6) - Sacral spine - **5 fused vertebrae**. - Coccyx - 3 to 5 fused vertebrae. ## Exercises - [[planking]] - [[bridge pose]] ## Related - [[0 The Body]] - [[cracking and popping joints]] - [[my hips|hips]] - [[my neck]] - [[shoulders]] - [[back injuries - empty]]