(18) The saddle type of joint is a special arrangement found only in the thumb»
(19) Adduction is lateral movement away from the central plane of the bodys

(20) Abduction is a movement inward toward the central plane of the body.

Ve (a) What do we mean by equilibrium? Give your most complete definitions

(b) Sinee it is impossible to understand the physical principles of total body action
without understanding certain governing laws of motion, please give in detail
the Newtonian laws: (1) the laws of inertia; (2) the laws of acceleration;
(3) the law of reaction,

' (¢) The levers of the body frequently move in complete unison and with perfect
timing in respect to their involved neighbors, For instance, when one climbs
the stairs, one's weight is lifted by extension at three articulations
simultaneously, Name the articulations and state generally what takes place
in such activity at these articulations, 7 |

VI. (a) List four of the fundamental menipulative skills.

(b) Explain briefly the three principal types to which all manipulative skills
belong. _

VIIe In the field of selected sports state briefly the types of fundamental manipulative
skills to which each of these sports belong, and give at least three general 3
musts, either muscular or mechanical, for the successful performer of each sport.
(If you prefer, substitute other sports with which you may be more fenttior.)

(a) Archery
(b) Badminton
(c) Tug of War

VIII. Each figure below represents the base for some couple neering stunt. The
' arrow represents the weight line of the top performer. s the weight

supported more easily by the top figure in each couple?
v

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