Muscle innervations

Question 1

What is the segmental innevation for the supraspinatus?

Answer 1

C 4-5-6

Question 2

What is the segmental innevation for the Deltoid?

Answer 2

C 5-6

Question 3

What is the segmental innevation for the Biceps?

Answer 3

C 5 - 6

Question 4

What is the segmental innevation for the Brachioradialis?

Answer 4

C 5 - 6

Question 5

What is the segmental innevation for the wrist EXTension?

Answer 5

C 6 - 7 - 8

Question 6

What is the segmental innevation for the Tricep?

Answer 6

C 6 -7 - 8 - (T1)

Question 7

What is the segmental innevation for Wrist flexion?

Answer 7

C 6-7-8-(T1)

Question 8

What is the segmental innevation for Finger Extenision?

Answer 8

C 6 - 7 - 8

Question 9

What is the segmental innevation for Finger Flexion?

Answer 9

C 7 - 8 - (T1)

Question 10

What is the segmental innevation for Finger Abduction and Finger Adduction?

Answer 10

C 8 - T1

Question 11

What muscles and muscle actions are innervated by the Radial nerve?

Answer 11

Brachioradialis

wrist extension

triceps

finger extension

Question 12

What muscles and muscle actions are innervated by the

1. suprascapular
2. Axillary
3. Median/ulnar
4. Ulnar

Answer 12

1. supraspinatus
2. Deltoid
3. Wrist flexion, finger flexion
4. finger abduction and adduction

Question 13

If muscle tone is increased what type of lesion is MC associated with it?

Answer 13

UMN

Question 14

If muscle tone is decreased what lesion is MC associated with it?

Answer 14

LMN

Question 15

What is hypertonia?

Answer 15

increased muscle tone

Question 16

what are the two types of hypertonia?

Answer 16

1. spasticity
2. Rigidity

Question 17

What is muscle spacticity?

Answer 17

Increased muscular resistance felt by examiner with quick joint movement. termed “clasped Knife”

Tension at first but then followed by decreased tension as the joint is opened

Question 18

What is muscle rigidity?

Answer 18

Involuntary muscular resistance felt when moving a resting joint and persists as the joint is moved through its ENTIRE ROM

“gooseneck”

Question 19

What is hypotonia?

Answer 19

decreased muscle tone

Question 20

If a patient has decreased muscle tone where is the neurological damage?

Answer 20

LMN

at the level of the reflesx arc, cerebellar disease may cause diffuse hypotonia aswell

Question 21

All neurological signs can be devided into what two phenomena?

Answer 21

1. Deficit
2. Release

Question 22

What is the DEFICIT PHENOMENA?

Answer 22

Loss of normal neurological function

Question 23

What type of lesion only produce the deficit phenomena?

Answer 23

LMN

Question 24

What is the Release phenomena?

Answer 24

Exaggerations or perversions of normal neurological function.

Question 25

What types of lesions produce the release phenomena?

Answer 25

UMN

Question 26

What is the segmental innervation of the Biceps reflex?

Answer 26

C **5**-6

Question 27

What is the segmental innervation of the Brachioradialis reflex?

Answer 27

C 5=**6**

Question 28

What is the segmental innervation of the Triceps reflex?

Answer 28

C 6 - **7** - 8 - T1

Question 29

What is the segmental innervation of the Finger flexion reflex?

Answer 29

C 7 - **8** - T1

Question 30

What is the primary nerve root that innervates the following muscles? 1. Supraspinatus 2. Deltoid 3. Biceps 4. Brachioradialis 5. Wrist Extension

Answer 30

1. C5 2. C5 3. C6 4. C6 5. C6

Question 31

What is the primary nerve root that innervates the following muscles: 1. Triceps 2. wrist Flexion 3. Finger Extension 4. Finger Flexion 5. Finger Abduction 6. Finger Adduction

Answer 31

1. C7 2. C7 3. C7 4. C8 5. T1 6. T1