Mechanical work is performed in all of these types of muscle activity (contracti

Question

Mechanical work is performed in all of these types of muscle activity (contraction) except for isometric concentric eccentric Mechanical work is performed in all of the above. The difference between positive and negative work stems from the direction of motion of the body the force acts on and the magnitude of the force acting on the body point of application of the force acting on the body line of action of the force acting on the body direction of the force acting on the body There is no difference between positive and negative work. A person performs a bench press. The bar's mass is 50 kg. When this person's arms are extended, the bar is 0.6 m above the starting point. How much work does the person do to push the bar off his chest to full extension of his arms?

Explanation / Answer

1.concentric

1.direction of the force acting on the body

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