There are the six-pack muscles (the rectus abdominis) trained with spinal flexion, the deep core muscles ... raising your top arm and leg up in the air in the shape of a star.

Flexion of the shoulder joint occurs when the humerus (upper arm ... femur (upper leg) moves forwards, which happens when long jumpers land or at the end of kick in football. Extension of the ...

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 ...

Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm ... Allows bending (flexion) and straightening (extension). Muscles which move the ...

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 ...