label: Strike chest rhythmically and in rapid succession using cupped hands over area(s) to be drained for 3 to 5 minutes, avoiding percussion over spine, kidneys, female breasts, incisions, and broken ribs
label_lc: strike chest rhythmically and in rapid succession using cupped hands over area(s) to be drained for 3 to 5 minutes, avoiding percussion over spine, kidneys, female breasts, incisions, and broken ribs