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Gear$$$Mid: Roughly $50 to $500, or up to $50/month.

Exercise bike

Stationary bike for intervals and steady aerobic work indoors

A stationary bike, upright or spin-style, with a flywheel and resistance you set by a number. There is no impact, so it turns up in rehab as often as in hard interval work, and the same session can be repeated week after week and compared. Sessions run from 20 easy minutes to sprint repeats measured in seconds. A basic frame costs a couple of hundred dollars; a connected model with classes runs into the thousands.

Who backs it

Sorted by strength of stance

Other entries filed under fitness or energy.

  • Gear$$$Cheap: Roughly under $50, or under $15/month.

    Heart rate monitor

    Chest strap or watch that logs heart rate and estimates calories burned

    Backed by 4 of 62 stacks: 2 do it, 2 recommend it, 0 have discussed it
  • Gear$$$Mid: Roughly $50 to $500, or up to $50/month.

    Weight sled

    A loaded steel sled pushed or dragged across turf

    Backed by 3 of 62 stacks: 1 do it, 2 recommend it, 0 have discussed it
  • Gear$$$Expensive: Several hundred dollars and up.

    Air bike

    Fan-resistance bike with moving handles, used for short all-out efforts

    Backed by 2 of 62 stacks: 1 do it, 1 recommend it, 0 have discussed it
  • Gear$$$Expensive: Several hundred dollars and up.

    Indoor bike trainer

    Smart trainer or stationary bike that reports power and varies resistance

    Backed by 2 of 62 stacks: 2 do it, 0 recommend it, 0 have discussed it
  • Gear$$$Mid: Roughly $50 to $500, or up to $50/month.

    Running hydration vest

    A trail vest carrying soft flasks or a bladder, plus fuel, layers and a headlamp

    Backed by 2 of 62 stacks: 2 do it, 0 recommend it, 0 have discussed it
  • Gear$$$Cheap: Roughly under $50, or under $15/month.

    Basal body thermometer

    Two-decimal thermometer for spotting the temperature shift around ovulation

    Backed by 1 of 62 stacks: 0 do it, 1 recommend it, 0 have discussed it

Gear entry · notes paraphrased from cited sources, quoted excerpts copied from the transcript they link to. Not medical advice. Not affiliated with, endorsed by, or reviewed by anyone listed. How this works.