OSCE 1 - Nerve Roots & Peripheral Nerves for Muscle Strength & Reflexes

What is the Spinal Nerve Roots for Deltoid? Which is the primary?

C5 & 6

C5 = primary

NOTE: same as biceps & brachioradialis

What is the spinal nerve roots for the Supraspinatus? Which is the primary?

C4-6

C5 = primary

What is the spinal nerve roots for the Biceps? Which is the primary?

C5-6

(both!)

NOTE: same as deltoid and brachioradialis

What is the spinal nerve roots for the Brachioradialis? Which is the primary?

C5-6

(both!)

NOTE: same as deltoid and biceps

What is the spinal nerve roots for the Triceps? Which is the primary?

C6, 7, 8, & T1

C7 = primary

NOTE: triceps SAME as wrist flexion

What is the spinal nerve roots for Wrist extension? Which is the primary?

C6 & 7

C6 = primary

What is the spinal nerve root for Wrist Flexion? Which is the primary?

C6-8 & T1

C7 = primary

NOTE: wrist flexion SAME as triceps

What is the spinal nerve roots for the Finger Extension? Which is the primary?

C6-8

C7 = primary

What is the spinal nerve roots for the Finger Flexion? Which is the primary?

C7, 8, & T1

C8 = primary

What is the spinal nerve roots for the Finger Abduction? Which is the primary?

C8 & T1

T1 = primary

NOTE: Finger abduction & adduction SAME

What is the spinal nerve roots for the Finger Adduction? Which is the primary?

C8 & T1

T1 = primary

NOTE: Finger abduction & adduction SAME

What is the peripheral nerve for the Deltoid?

Axillary

What is the peripheral nerve for the Supraspinatus?

Suprascapular

What is the peripheral nerve for the Biceps muscle strength test & DTR?

Musculocutaneous

What is the peripheral nerve for the Brachioradialis muscle strength test & DTR?

Radial

What is the peripheral nerve for the Triceps muscle strength test & DTR?

Radial

What is the peripheral nerve for the Wrist extensors?

Radial

What is the peripheral nerve for the Wrist flexors?

Median & Ulnar

What is the peripheral nerve for the Finger Extension?

Radial

What is the peripheral nerve for the Finger flexion muscle strength test & DTR?

Median & Ulnar

What is the peripheral nerve for the Finger abduction?

Ulnar

What is the peripheral nerve for the Finger adduction?

Ulnar

What 2 muscles are involved in wrist extension?

Extensor carpi radialis & brevis

What 2 muscles are involved in wrist flexion?

Flexor carpi radialis & ulnaris

What 3 muscles are involved in finger extension?

Extensor digiti minimi, digitorum, & indicus

What 2 muscles are involved in finger flexion?

Flexor digitorum superficialis & profundus

What muscle is involved in finger abduction?

Dorsal interossei

What muscle is involved in finger adduction?

Palmer anterossei

What spinal nerve root is involved in the biceps tendon reflex?

C5

What spinal nerve root is involved in the brachioradialis tendon reflex?

C6

What spinal nerve root is involved in the triceps tendon reflex?

C7

What spinal nerve root is involved in the finger flexion reflex?

C8

What is the nerves involved in the epigastric, upper abdominal, middle abdominal, and lower abdominal superficial reflexes?

T5-7

T7-9

T9-11

T11-12

+ Intercostal Nerve!!

What is the nerves involved in the gluteal superficial reflex? Plantar superficial reflex?

Gluteal = L4-S2

+ Inferior Gluteal Nerve

Plantar = L4-S2

+ Tibial nerve