Trail: Innervation

Which nerve innervates the highlighted muscle? Lats

thoracodorsal nerve

Which nerve innervates the latissimus dorsi muscle?

thoracodorsal nerve

An inability to extend the elbow could result from pathology affecting the:

ventral nerve root of C7

Which of the following muscles is innervated by the anterior division of the obturator nerve?

adductor longus

Which of the following muscles does the mandibular branch of the trigeminal nerve not innervate?

digastric

Compression of the sciatic nerve may lead to impaired function of the:

fibularis longus

Which muscle of the lower extremity is not innervated by the tibial nerve?

flexor digiti minimi

Which muscle is innervated by the ulnar nerve?

flexor digitorum profundus

Which nerve innervates the cremasteric muscle?

genitofemoral nerve

Which spinal nerve roots contribute to the brachial plexus?

C5-T1

An inability to splay the fingers would indicate damage at which spinal segments?

C8-T1

What artery is used as a point of reference when naming the cords of the brachial plexus?

axillary artery

Deltoid atrophy may be associated with an injury to the:

axillary nerve

Paralysis of which nerve gives rise to scapular winging?

long thoracic nerve

Injury to the posterior cord of the brachial plexus could involve all of the following except:

musculocutaneous nerve

Weakness in elbow flexion and forearm supination may be associated with a peripheral nerve injury affecting the:

musculocutaneous nerve

At which of the following sites might the median nerve be compressed?

passing through the two heads of the pronator teres

Which nerve innervates the diaphragm?

phrenic nerve

The supraspinatus and infraspinatus muscles are both innervated by which nerve?

suprascapular

Which of the following nerves does not have a connection from all three trunks of the brachial plexus?

suprascapular

Which muscle is innervated by the lumbar plexus?

psoas major

Which muscle is innervated by the femoral nerve?

quadriceps femoris

What nerve innervates the highlighted muscle? Semitendinous

sciatic nerve

What nerve innervates the highlighted muscle in the image? Middle upper trap

spinal accessory nerve

What nerve is identified in the image?

superficial peroneal nerve