The most advanced stage of arm action in the throw is
A. no preparatory backswing
B. a circular arm action in which the arm moves down and back
C. bringing the object up beside the head by upward humerus flexion
D. a circular overhead preparatory movement with the elbow extended
E. a lateral swing backward
Question 2
According to Roberton's developmental sequence for the throw, the appropriate sequence for the foot action is
A. homolateral step; contralateral, short step; contralateral, long step; no step
B. contralateral, short step; contralateral, long step; no step; homolateral step
C. no step; homolateral step; contralateral, short step; contralateral, long step
D. no step; contralateral, short step; contralateral, long step; homolateral step E. homolateral step; no step; contralateral, long step; contralateral, short step
Pathway for vitamin D activation and action
Action potential conduction in unmyelinated axons.
Mechanism of action of coagulation modifiers.
Action of type I and type II topoisomerases, as shown by gel electrophoresis
Mechanisms of hormone action
Current intensity and the frequency of action potentials