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7 CV responses to exercise

11:19

8 CV adaptations to exercise

8 CV adaptations to exercise
30:01

Cardiovascular control of blood flow.

Cardiovascular control of blood flow.
18:24

How muscles control force

How muscles control force

Muscle produces force by forming cross-bridges, using energy released from ATP. While the magnitude and duration of force production primarily determine the energy requirement, nearly a century ago Fenn observed that muscle shortening or lengthening influenced energetic cost of contraction. In th...