ACUTE EFFECTS OF FOAM ROLLING AND PNF STRETCHING AS WARM-UP STRATEGIES ON MUSCLE FLEXIBILITY, STRENGTH, AND PRESSURE PAIN THRESHOLD IN AMATEUR ATHLETES - Elif Esma Bayraktar; Hayri Eren Yılmaz; Birce Beril Çelik; Mahmut Efe Bükülmez; Eren Çekiç (Karya Journal of Health Science, 2026)