All or nothing law - Motor units Flashcards
1
Q
The all or nothing law
A
a muscle fibre either contains fully or not at all, the nerve impulses is either strong enough to make the fibre contract or the nerve impulse is not strong enough to contract
2
Q
What is a motor unit
A
the motor neuron plus the muscle fibres that activate it
the greater the strength requires, the greate the number of motor units stimulied
