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C4.12

Fatigue Cost of Mid-air Gestures

Cards in this group · 4

  1. C4.12.1An unsupported raised arm fatigues in minutes
  2. C4.12.2Frequent commands must not require an overhead arm or a long hover
  3. C4.12.3Fatigue is an integral; a short trial never sees it
  4. C4.12.4A long task needs a place to rest the arm, or a way out of mid-air