Even when muscles are relaxed small number of muscles fibres are

Contraction of a small number of muscle fibres are enough to keep the muscle

The state of partial contraction of the muscle is called

The minimal strength required to cause a contraction is called the __________________________ stimulus

The resulting pattern created by muscle stimulation is called a

A single contraction that lasts a fraction of a second

The pause between stimulus and muscle contraction is called the______________________.