Grip Strength Data Arm Curl Data Bench Press Data Grip Strength (kg) Forearm Circumference (cm) Sex Sex Arm Circumference (cm) 1 RM (lbs) Sex Body Weight (lbs) 1 RM (lbs) 1 RM/BW Ratio 8 78 47.5 F F 26.25 15 F 118 60 72 51 F F 29 20 F 145 85 72 57 F F 59 F F 64 58 F F 75 68 40 33.5 102 90 110 98 F F 50.5 47 48.2 F F F F F F 58 M M 58 M M 8 20 F 152 85 38 15 F 205 65 39 25 F 187 85 30 F 140 72.5 25 F 142 70 25.5 20 F 115 65 28 15 F 117 65 32 40 M 160 185 35.5 45 M 217 220 71 M M 41.5 40 M 230 275 63.5 M M 40 40 M 215 145