Show fl Diet and Health I By Lulu Hunt Peters MD M.D. I 3 fj N u VI oz 1 iJ ntH i Tor TIlE THC DE ITS El OF OP EXERCISING Have you thought of physical e ex exercise ey- ey simply as a means of ot off f the muscles That Is but one of or the benefits Exercise not only affects th the muscles muscles mus mus- cles des but has a decided beneficial effect on all of f the organs of or the body Let me tell you how this results then you ou will see the ad- ad of adding an exercise period period pe pe- pe- pe nod to your dally daily program if It you ha have ve not already done so And If you jou ou have then I will strengthen your resolve to continue it when your Interest flags I will take the effect of exercise on In the muscles first to show you ou how the tho whole system is involved and benefited When muscles are used there are both physical and chemical changes In them The physical change consists con slats of a contraction and thickening thickening thick thick- ening followed by a relaxation or elongation to normal position This causes a presure on all of the structures structures tures In them them the the muscle and I fat cells nerves blood and lymph the tissue fluid and results In an au automatic automatic automatic au- au pt pumping of the blood an and ani tissue fluid into and out of t the e muscle thus quickening the circulation circulation lation and bringing in fresh arterial arterial arte ante rial nial blood and sending the venus blood containing the waste products onward This means of course better better bet bet- etter et- et ter nourishment and better elimination elimination elimination elimina elimina- tion of wastes In fn the tho cells and Im Improvement Improvement improvement Im- Im provement of or tile tone of the muscles muscles mus mus- cles des ability to contract quickly when called upon lose Muscles this f tr that tone c. c are They not fy exercised become s shrunken flabby and weak In other words they atrophy the word atrophy means without out nourishment nourishment nourish nourish- ment meat This Is strikingly shown in mus 9 that thad have lost thel thel- power to contract through loss of nerve control as in paralysis or through some injury which prohibits its their use We know that muscles muscles mus mus- cles des that are used frequently do Jurt junt the opposite to this this they they develop develop de do- and become stronger The strong arms of blacksmiths and others who use their arms in their work and the general muscular development development development de de- de and strength of or athletes s testify to this The physical change caused by exercise not only affects the muscles muscles mus mus- cles des but the bon bones s to which their ligaments are attached l. l The pullIng pulling pulling pull pull- ing to which t they ey are subjected by bythe bythe bythe the contraction of or the has ii n great deal to do their development development development de de- de- de especially in youth To exercise the muscles joints a I Iare Iare are put into play This exercises them keeps them supple and the the- strengthened muscles can hold them in their normal position zer else which strengthens the muscles attached to the spinal joints ha hag haa a a. great deal to do with correct posture posture pos pea ture and correct posture Is a big factor in maintaining normal health because of Its par part pant In keeping the vital organs of the chest abdomen and pelvis In their proper positions The physical activity in the muscles mus- mus des clea calls calIs for tor ch chemical m activity with a greater demand for oxygen to furnish the spark for Increased oxidation o or burning which goes on on This means mean that there i IB It a n. greater demand for oxygen throughout the body and therefore moro more oxygen has to be bo taken in through the lungs and the respiration Is quick ened You know how much faster you breathe when taking exercises This chemical change which takes takei place In the muscles muscles It It is called Internal or or- tissue respiration causes more or less off ort a chemical change throughout the body and andall andall all the organs are stimulated Indirectly Indirectly Indi Indi- to a greater activity activity the the nerves the heart lungs brain liver all the gl glands of ot In Internal secretions In In fact every organ and tissue in inthe the body is beneficially stimulated by wise exercise You cannot lm 1 prove one set of organs without Im Improving Improving ira ira- proving the others because all of the organs of the body ate are pendent I 1 think I have given you In a 8 a brief summary enough reasons to tomake tomake tomake make you realize the importance of j physIcal exercises We will continue con con- this discussion on exercises exercises' tomorrow Tomorrow Reducing Without DI- DI eting t |