Research Quarterly, Volume 6

ability Achilles reflex analysis arch angle athletic average basketball battery blood pressure Boston University boys breath-holding camp campers cent center of gravity changes classes coach coefficient condition correlation determine Diastolic difference Director efficiency endurance equal examination exercise experiment experimental factors feet foot football freshmen gain gastrocnemius muscle girls given health and physical heart rate high school improvement increase indicate individual instructors interest intramural jump Kyphosis leukocyte count leukocytosis Lynbrook means measure median method multiple correlation muscle non-athlete normal objective organic P.F.I. tests participation period physical education physical education program physical fitness points posture practice procedure Pulse Pressure pulse rate pupils records reflex reliability scores shot put sigma social sophomores speed Springfield College Strength Index strength tests swimmers swimming Systolic T-Score TABLE teachers teams technique tennis tion track valid variables varsity weeks weight ΙΟ