(18) The saddle type of joint is a special arrangement found only in the thumb

{19) Adduction is a lateral movement away from the central plane of the body. _

   

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

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

(b) Since it is impossible to antoraiané the physical principles of total body actior
without understanding certain governing laws of motion, please give in detail |
the Newtonian laws: (1) the lews of inertia; (2) the laws of acceleration;
(3) the lew of reaction.

(a) 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 ene what takes: place
in such activity at these er eere nts:

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

 

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

VII. In the Pield of selected en state briefly the types of Hinteaaniad
skills to which each of these sports belong, and give at least three g
musts, either muscular or mechanical, for the successful performer of ear ‘
(If you prefer, substitute other sports with which you may be more familiar.

(a) Archery
' (») Badminton
(c} Tug o? War
VIII. Each figure ‘aii represents the base for some couple balancing wen OU

es arrow represents the weight line of the top performer, why is the a
oa supported more easily by the top figure in each couple?

.