In calf flexion the toes come up towards the shin. In calf extension the toes point away (like standing on your tiptoes.
flexion and extension
It is Flexion and Extension
flexion
Which of these muscles is not responsible for flexion or extension of the arm?
Flexion is the movement of your extremities bending inward Extension is when they bend outward
Which type of diathrotic joint permits flexion and extension only?
EXTENSION
Vertebral Foraminal Entrapment on Hip Flexion and Knee Extension
Well if hyperextension is a type of extension then the opposite of extension is flexion and I'm not sure you can get hyperflexion, so it's probably just flexion.
extension
Extension is the opposite of flexion.
contract shorten shrink sever