Question

Spinal Nerve Injury 1. A person has feeling from the deltoid and biceps brachii region but no feeling from the wrist extensors. Where on the spinal cord has the injury occurred? Plexus Peripheral Nerve Spinal Nerves (letter/number) Spinal Injury Location 2. A person has feeling from the triceps and brachialis region but no feeling from the deltoid region. Where on the spinal cord has the injury occurred? Plexus Peripheral Nerve Spinal Nerves (letter/number) Spinal Injury Location 3. A person has feeling from the adductors in the lower limb and the quadriceps, but no feeling in the foot extensors. Where on the spinal cord has the injury occurred? Plexus Peripheral Nerve Spinal Nerves (letter/number) Spinal Injury Location 4. A person has feeling in the wrist extensors and pinky-(medial) side of the hand, but no feeling in the wrist flexors and along the thumb-side of the palm. Where on the spinal cord has the injury occurred? Plexus Peripheral Nerve Spinal Nerves (letter/number) o Focu

Answer 1

SPINAL NERVE INJURY

1. No feelings on the wrist extensor with feeling from the deltoid and biceps brachii region

Plexus	Brachial plexus
Peripheral Nerve	Radial nerve
Spinal nerve	C6, C7
Spinal injury location	Cervical

2. No feelings from the deltoid region, with feelings from the triceps and brachialis region

Plexus	Brachial plexus
Peripheral Nerve	Radial nerve
Spinal nerve	C5 - C7
Spinal injury location	Cervical

3. No feelings in the foot extensors, feeling from the adductor in the lower limb and the quadriceps

Plexus	Lumbosacral plexus
Peripheral Nerve	Posterior interosseous nerve
Spinal Nerve	L4 - S1
Spinal injury location	Lumbosacral

4. No feelings in the wrist flexors and along the thumbside of the palm, feelings from the wrist extensor and pinky side of the hand

Plexus	Brachial plexus
Peripheral Nerve	Median nerve
Spinal Nerve	C7, T1
Spinal injury location	Cervical nerve