the.com/jump rope

The cheapest cardio machine ever invented, disguised as a playground toy.

means A length of rope swung in a circle under the feet and over the head, used as a game or a workout for jumping over rhythmically.

from Simple and literal — 'jump' (from Middle English, originally meaning to move with a sudden spring, itself likely imitative in origin) plus 'rope' (from Old English rāp, a cousin of Old Norse and Dutch words for cord). Skipping with a swung cord is ancient and appears across many cultures independently, but the English compound name is just as plain as the toy itself — no hidden story, just a rope, and the jumping it demands.

calorie burn
beats running at the same perceived effort
boxers love it
builds footwork and rhythm, not just lungs
origin
ancient Egyptians used vines, not licenses required
coordination tax
your brain fails before your legs do
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