task 1

Question 1

which plexus do we need to make visible during the simMuscle program?

Answer 1

plexus lumbosacralis

Question 2

which nerve has to be liberated?

Answer 2

the sciatic nerve

Question 3

which muscle has to be liberated?

Answer 3

m.gastrocnemius

Question 4

in which solution do we need to put the whole preparation?

Answer 4

ringer’s solution

Question 5

what is the meaning of “isotonic” muscle condition

Answer 5

the muscle shortens, the tension stays the same (regular activity). the afterload stays the same.

Question 6

what is the meaning of “isometric” muscle condition

Answer 6

the length of the muscle stays the same, the tension changes. (e.g when you try to lift too heavy load).

Question 7

how long does single (one) stimulus lasts?

Answer 7

1 ms

Question 8

what is the range of intensity of the stimulus? (“amplitude”)

Answer 8

0-500 mV

Question 9

what is the range of the time interval between stimuli? (“delay”)

Answer 9

0-500 ms

Question 10

from which channel the oscilloscope is connected to the stimulator?

Answer 10

channel 1

Question 11

from which channel the signals from the transducer are received?

Answer 11

channel 2

Question 12

the “timebase” button sets the speed of the registration in…

Answer 12

ms per division (ms/Div)