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Cranial Nerve 3
Specific Strength Testing
| Question | Answer |
|---|---|
| Nerve roots responsible for intrinsic muscles of the hand | C8, T1 |
| The muscles which control the adduction and abduction of the fingers are called | Interossei |
| Interossei are innervated by what nerve | Ulnar nerve |
| Nerve roots responsible for flexors of the fingers | C7, C8, T1 |
| The muscles which control the flexion of fingers | Flexor digitorum profundus |
| Flexor digitorum profundus is innervated by | Median nerve (radial and median ulnar) |
| Nerve roots responsible for wrist flexion | C7, C8, T1 |
| Wrist flexion are innervated by | C7, C8, T1 |
| Nerve roots responsible for wrist extension | C6, C7, C8 |
| The muscles which control the wrist extension | Extensor radialis muscle |
| Extensor radialis muscle is innervated by | Radial nerve |
| Damage to radial nerve result to | Wrist drop |
| Loss of ability to extend the hand at the wrist | Wrist drop |
| Other term for wrist drop | Saturday Night Palsy |
| Nerve roots responsible for elbow flexion | C5, C6 |
| The main flexor (supinator) of the forearm is | Brachialis muscle |
| Brachialis muscle is innervated by | Musculocutaneous nerve |
| Nerve roots responsible for elbow extension | C7, C8 |
| The main extensor of the forearm is | Triceps muscle |
| Triceps muscle is innervated by | Radial nerve |
| Nerve roots responsible for shoulder adduction | C5 through T1 |
| The main muscle of shoulder adduction is | Pectoralis major muscle |
| Nerve roots responsible for shoulder abduction | C5, C6 |
| The main muscle of shoulder abduction | Deltoid muscle |
| Deltoid muscle is innervated by | Axillary nerve |
| Nerve roots responsible for hip flexion | L2, L3, L4 |
| The main hip flexor muscle | Iliopsoas muscle |
| Iliopsoas muscle is innervated by | Femoral nerve |
| Nerve roots responsible for hip extension | L5, S1 |
| The main hip extensor muscle | Gluteus maximus muscle |
| Gluteus maximus muscle is nnervated by | Inferior gluteal nerve |
| Nerve roots responsible for hip abduction | L4, L5, S1 |
| Nerve roots responsible for hip adduction | L2, L3, L4 |
| Muscles responsible for hip adduction are innervated by | Obturator nerve |
| Nerve roots responsible for knee extension | L2, L3, L4 |
| Muscles responsible for knee extension | Quadriceps muscle group |
| Quadriceps muscle group are innervated by | Femoral nerve |
| Nerve roots responsible for knee flexion | L5, S1, S2 |
| Muscles responsible for knee flexion | Hamstrings muscle |
| Hamstrings muscle are innervated by | Branches of sciatic nerve |
| Nerve roots responsible for ankle dorsiflexion | L4,L5 |
| Muscles responsible for dorsiflexion is innervated by | Deep peroneal nerve |
| When deep peroneal nerve is injured it results to | Foot drop |
| Inability to dorsiflex the foot | Foot drop |
| Nerve roots responsible for ankle plantarflexion | S1, S2 |
| Ankle plantar flexion are mediated by what muscles | Gastrocnemius and soleus muscles |
| Gastrocnemius and soleus muscles are innervated by | Branches of sciatic nerve |
Created by:
analyncosim
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