Lactic acid fermentation.
muscles
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Activities such as planks, wall sits, and holding a weight in a static position engage muscles in an isometric contraction.
Potassium.
No.
Muscles help you move around and perform daily activities.
none
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Muscles help you move around and perform daily activities.
Muscles help you move around and perform daily activities.
No, skeletal muscles do not continue to contract following death. Once a person dies, muscle contractions stop due to the lack of energy production in the body. Any appearance of movement in a dead body is due to postmortem changes, such as rigor mortis.
Stress on the muscles forces adaptation, or hypertrophy of the muscles to the activity. To continue growth, you must continue to increase the stress of the exercise such as lifting more weights.