BACK
benefits of—
exercise: g94 6/8 26
good posture: g02 12/8 29; g94 6/8 26-27
danger of heavy backpacks: g00 9/8 29
herniated disk (“slipped disk”): g94 6/8 25
pain: g95 12/22 28; g94 6/8 23-27
easing pain from traveling: g99 10/8 29
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BACK
benefits of—
exercise: g94 6/8 26
good posture: g02 12/8 29; g94 6/8 26-27
danger of heavy backpacks: g00 9/8 29
herniated disk (“slipped disk”): g94 6/8 25
pain: g95 12/22 28; g94 6/8 23-27
easing pain from traveling: g99 10/8 29