Exercise and Work-Muscle-Nerve; Avalanche Theory-
The Spinal Cord; Reflex Actions; Unconscious Movements-
The Brain; Reflex Movements; Voluntary Movements-The
Motor Centres; associated Muscular Actions - The Will,
Agent of Work-Muscular Contraction-Course of a Volun-
tary Stimulus; Mode of Transmission-Nervous Vibration and
the Muscular Wave-Time of Transmission; Latent Period.
CHAPTER II.-MOVEMENTS
Associated action of different Regions during Work-How a
Blow is given with the Fist-Co-Ordination of Movements;
Antagonistic Muscles; the Muscular Sense-Ataxic patients-
Static Contraction-Stiffness in Exercise-Muscular Education
-Association of the great Organic Functions with Muscular
Movement-Effort The Porter and his Load-Effort during
slight Expenditure of Force :-Too Hard a Nut-Frequency
of Effort in Exercise-Long Distance and Sprint Running
—Influence of Movements on the Circulation--The Quicken-
ing of the Pulse; its Mechanism-The Pulmonary Circulation
and the Active Congestion of the Lungs-Congestion of the
Brain during Movement-Dancing Dervishes-A Runaway
Horse.
The Human Motor and Heat Engines The Mechanical
Equivalent of Heat-Heat is a Cause of Movement, not its
Effect-Heat Lost-How the Temperature of the Body is
Regulated -Effects of Heat on Muscle Experiment of
Marey on Caoutchouc-Observation of Daily Phenomena-
Muscle Heated and Muscle Numbed by Cold-Gestures of
Anger-Why we Make preliminary Passes in Fencing-The
Hare which has just been put up-Effects of too high a
Temperature-Death of Muscle at +45° C.