Yoðun Egzersiz Ýle Ýskelet Kasýnda Oluþan Glikojen Azalmasý, Laktik Asit Birikmesi ve Morfolojik Deðiþikliklere, Karnitinin Etkisi EFFECT OF CARNITINE ON INTENSIVE EXERCISE INDUCED DECREASED GLYCOGEN, ACCUMULATED LACTIC ACID AND MORPHOLOGICAL CHANGES IN SKELETAL MUSCLE