Name:_______________________P#:_____
Personal Nerve Lab
The purpose of this lab is to explore, on limb and figure out where the greatest number of nerves are and why.
Material
1 Large paper clip
1 metric ruler
1 partner
Procedure
1. The test subject should have a bare arm all the
way up to the shoulder. Position his or her
arm on the table with the palm up. The test
subject must face away from you. Don’t let the
subject watch the test.
2. As the tester GENTLY test by touching the
open ends of the paperclip tot the test
subject’s index fingertip. Ask the subject how
many points of the clip touch , one or two, and
record the subject’s response as either correct
(Y) or incorrect (N) in the first column of the
data table
3. Vary the number of points that you touch the
subject with as you touch different places on
the subject’s hand as labeled below. Then
record the first column of the data on the
table for a separation distance of 1cm.
4. Repeat the previous two steps three more
times with the points expanded to distances of
3cm, 5 cm, and 10 cm.
Location Tested
1cm
5. Swap places with your partner and let them
repeat the test and record the data for your
results.
6. When you are done, make a map of where the
nerves are concentrated, using the hand a arm
drawing provided, as a guide. Looking at the
placement, what are the advantages and
disadvantages of the nerve placement?
Questions: Answer on the back of the paper
COMPLETE SENTENCES
1. Does your two-point threshold change over
your body?
2. Which region is more sensitive and explain
why you think so?
3. Which region is least sensitive and explain why
you think so?
4. What are the advantages and disadvantages of
the nerve placement?
Correct Guess (Y/N) at Distance Separated
3cm
5cm
10cm
1. Index Fingertip
2. Index Fingerbase
3. Pinky Finger
4. Center of Palm
5. Base of Palm
6. Outside of Palm
7. Thumbtip
8. Wrist
9. Forearm
10. Top of Arm (if possible)
9
7
5
8
2
10
(upper arm if possible)
6
4
3
1
Name:_______________________P#:_____
Personal Nerve Lab
The purpose of this lab is to explore, on limb and figure out where the greatest number of nerves are and why.
Material
1 Large paper clip
1 metric ruler
1 partner
Procedure
1. The test subject should have a bare arm all the
way up to the shoulder. Position his or her
arm on the table with the palm up. The test
subject must face away from you. Don’t let the
subject watch the test.
2. As the tester GENTLY test by touching the
open ends of the paperclip tot the test
subject’s index fingertip. Ask the subject how
many points of the clip touch , one or two, and
record the subject’s response as either correct
(Y) or incorrect (N) in the first column of the
data table
3. Vary the number of points that you touch the
subject with as you touch different places on
the subject’s hand as labeled below. Then
record the first column of the data on the
table for a separation distance of 1cm.
4. Repeat the previous two steps three more
times with the points expanded to distances of
3cm, 5 cm, and 10 cm.
Location Tested
1cm
5. Swap places with your partner and let them
repeat the test and record the data for your
results.
6. When you are done, make a map of where the
nerves are concentrated, using the hand a arm
drawing provided, as a guide. Looking at the
placement, what are the advantages and
disadvantages of the nerve placement?
Questions: Answer on the back of the paper
COMPLETE SENTENCES
1. Does your two-point threshold change over
your body?
2. Which region is more sensitive and explain
why you think so?
3. Which region is least sensitive and explain why
you think so?
4. What are the advantages and disadvantages of
the nerve placement?
Correct Guess (Y/N) at Distance Separated
3cm
5cm
10cm
1. Index Fingertip
2. Index Fingerbase
3. Pinky Finger
4. Center of Palm
5. Base of Palm
6. Outside of Palm
7. Thumbtip
8. Wrist
9. Forearm
10. Top of Arm (if possible)
9
7
8
5
2
10
(upper arm if possible)
6
4
3
1