Individuals with thicker spinal segments generally have less spinal mobility compared to those with thinner spinal segments.

“people who have thick spinal segments so these are people who tend to be more Barrel chested thick through the Torso maybe thicker wrists and ankles and knees have thicker spinal segments and therefore may not need quite as much buildup of the musculature around their spine in order to handle vertical loads okay compression along the spinal length because they have those big thick spinal segments and discs”