UNDER the above heading in your issue of January 18, 1872, Dr. Elliot Coues describes the peculiar movements made by the bones of the wing of the bird in flexion and extension. It may interest ...

though — the bodyweight back extension can help bridge the skillset gap if you’re not ready to use full hyperextension and flexion on a bench. It’s also a great way to activate the glutes if ...

In 1999, the Eastern Association for the Surgery of Trauma (EAST) recommended bedside flexion/extension (F/E) fluoroscopy for patients with severe TBI who have normal results on three-view ...