Fysiqal
Equipment
Equipment

Air Bike (Fan Bike)

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cardio-equipmentair-bikefan-bikefull-bodyself-scalingconditioning

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DefinitionA short reference note, not a full lesson.
Definition

A fan-resistance bike with moving arm handles whose resistance scales infinitely with effort — a brutal, self-limiting full-body conditioning tool ideal for intervals.

Detail

The air bike (fan bike — e.g., Assault/Echo bike) uses a large fan as the resistance: the harder you push (legs) and pull/push (arms via moving handles), the more air the fan moves and the harder it pushes back. Resistance is therefore self-scaling and effectively unlimited — you can never "spin out" the way you can on a magnetic bike.

What it's good for: all-out intervals and sprints (HIIT (High-Intensity Interval Training), SIT (Sprint Interval Training)) and short hard efforts where you want maximal output (calories/time or distance targets). The moving handles make it a full-body effort (legs + arms + lungs).

Pros: infinite, instant, self-scaling resistance perfect for intervals; full-body; low impact; honest output metrics (calories/watts) for Work-to-Rest Ratio (Intervals) interval design. Cons: uncomfortable and notoriously punishing at high intensity (which is the point); loud fan; less suited to long steady aerobic work than an upright/spin Stationary Bike & Spin Bike; bulky.

Key facts

  • Fan resistance scales with effort → effectively unlimited, self-limiting load.
  • Moving handles = full-body (legs + arms); low impact.
  • Best for all-out intervals/sprints and short hard efforts; honest calorie/watt output.
  • Loud, punishing at high intensity; less ideal for long steady-state.

Connections

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Atlas Connections

HIIT (High-Intensity Interval Training)
Repeated near-maximal intervals (about 80–100% of max heart rate / VO2max) with recovery between them — a time-efficient way to raise VO2max and cardiometabolic fitness.
SIT (Sprint Interval Training)
Brief "all-out," supramaximal sprints (≥100% of aerobic capacity) with long recoveries — the most time-efficient cardio dose, but maximally demanding.
Work-to-Rest Ratio (Intervals)
The ratio of work-interval time to recovery time is the main dial that decides which energy system an interval session trains.
Rowing Machine (Erg)Closely related
A full-body, low-impact cardio machine driven by a leg-then-back-then-arm stroke — uniquely combines cardio with posterior-chain muscular conditioning, but rewards good technique.
Stationary Bike & Spin Bike
Indoor cycling machines — upright, recumbent, or spin — that deliver low-impact, leg-driven cardio across the full intensity range, from zone-2 to hard intervals.