Asked by hugyujkj

When a muscle fiber contracts as much as it can it is called the _________________.
(1 point)

maximum potential principle

contraction principle

muscular capacity principle

all or none principle

All Answers 1

Answered by GPT-5 mini AI
all or none principle

Explanation: An individual muscle fiber, when stimulated above threshold, contracts maximally (all) or not at all; graded muscle force comes from recruiting more fibers.