Lec 3

Question 1

Synchrony

Answer 1

degree that motor units within muscle fire at same time

• when synchronized, start to shake (because you have gaps in tension) this can be good indicator of fatigue when training

Question 2

for what activities would you want high and low synchrony

Answer 2

• In lifting heavy weight like squatting, synchrony is good

Play instrument or draw (fine motor skills) you want low synchrony

Question 3

event related potential

Answer 3

voltage gen in brain correlate to event or stimuli

Question 4

Motor unit classified as

Answer 4

cell body/branching axons of the neuron, and all muscle fibres it innervates

Question 5

S, FR, and FF neurons connect to what type of muscle fibre

Answer 5

S - SO (slow oxidative)

FR - Fast oxidative glycolytic

FF - Fast glycolytic