Backwards progress with addition of weight lifting is puzzling me

Backwards progress with addition of weight lifting is puzzling meI don't know, what do you think I'm doing wrong, or is it just rapid advancement of old age? Six months ago (age 57.9) I was primarily a long distance runner, averaging about 50 - 65 miles per week as the main exercise. Weight 165. My body composition analysis (by Lunar iDXA) showed 17.2% fat, and 60.3 kg lean weight. At that time, I cut back on the running (to about 20 miles per week) and started lifting weights, using SL5x5, and have built up my strength fairly well, in order to avoid losing muscle and gaining fat. Didn't work, though, because today my BCA reads no change in total weight, but increased fat to 19.3% and decrease in lean mass to 58.8 kg. Very slightly improved bone density by 1.3%, which I am happy about. I'm very surprised, since I read that endurance running would deplete muscle and lifting heavy low-rep weights would increase it. Maybe I will go back to mostly running, in case my body prefers that. Very puzzling. submitted by /u/northernguy [link] [comments]

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