Lateral-to-sagittal shift in mammal spine evolution challenged in new study Date: March 17, 2021 Source: Harvard University Summary: A new study challenges the lateral-to-sagittal hypothesis by ...

Flexion is the movement of a joint that increases the angle between the joint and the body part. Movement of a body part to the side is called lateral flexion. This type of movement is commonly ...

Vertebral Basilar Angiogram. (Left) lateral view; (Right) AP view. This study was performed by injecting contrast into the right vertebra artery, which is well opacified. There is also some retrograde ...

Mid-Sagittal MRI of the Lumbar Spine. Left (T1-weighted image); Right (T2-weighted image). On this view centered over the lumbar spine, one can see all five lumbar vertebrae in addition to the sacrum ...

When it comes to the evolution of the mammal spine -- think of animals whose backbone allows them to gallop, hop, swim, run, or walk upright -- a key part of the tale is quite simple. Because ...