EMG

Some muscles are both voluntary and involuntary . Give example

• ear

• eye blinking

• nose

• hand

Heart muscles are ________

• Involuntary

• Voluntary

Isotonic mean_____________

• muscles shorten and movement does not occur

• muscles shorten and movement occurs

Isometric mean _________

• Movement occurs

• No movement

_________ are for bursts of strength and speed

• Fast-twitch fibers

• slow-twitch fibers

_____________ fibers are for endurance

• Fast-twitch

• Slow-twitch

_________involves recording the electrical activity of muscle

• ECG

• EEG

• EOG

• EMG

one muscle can have __________motor units

• 1

• 2

• 3

• many

EMG signal capture is done using _______________

• Differential amplifier

• Inverting amplifier

• Non inverting amplifier

___________ electrodes are non invasive in EMG

• surface

• indwelling