When a skeletal muscle fiber is at rest, there is more sodium outside the cell as compared to the sarcoplasm.

Name: When a skeletal muscle fiber is at rest, there is more sodium outside the cell as compared to the sarcoplasm.
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At rest, the sodium-potassium pump maintains a higher concentration of sodium ions outside the muscle cell and a higher concentration of potassium ions inside, creating a resting membrane potential.

When a Skeletal Muscle Fiber Is at Rest, There Is