Muscle tone & Myograms & Motor units

Muscle tone, Myograms

& Motor units

by Colleen Barrett

Multiple Choice

Even when muscles are relaxed small number of muscles fibres are

• Confused

• Confirmed

• Uncontracted

• Contracted

Multiple Choice

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

• Loose

• relaxed

• taut

• none of the above

Multiple Choice

The state of partial contraction of the muscle is called

• Muscle tune

• muscle tone

• Muscle tuna

• muscle fibre

Multiple Choice

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

• threshold

• latent

• contraction

• voluntary

Multiple Choice

The resulting pattern created by muscle stimulation is called a

• myogram

• twitch

• all or none response

• latent period

Multiple Choice

A single contraction that lasts a fraction of a second

• myogram

• twitch

• all or none response

• latent period

Multiple Choice

The pause between stimulus and muscle contraction is called the______________________.

• myogram

• twitch

• all or none response

• latent period

Multiple Choice

A motor unit is made up of _______________.

• all the muscle fibers within a given muscle
• a motor neuron and the muscle fibers it innervates
• all the neurons going into an individual section of the body
• a fascicle and a nerve