Metabolic and perceptual responses while carrying external loads on the head and by yoke.
D000328:Adult; D006801:Humans; D007699:Kinesthesis / Q000502:physiology*; D008297:Male; D009132:Muscles / Q000502:physiology*; D009334:Neck Muscles / Q000502:physiology*; D010100:Oxygen / Q000097:blood*; D005082:Physical Exertion
D010100:Oxygen