T4 Systems - PNS

Interstitial Neuritis

affects the nerves stroma

Parenchymatous Neuritis

affects the nerve’s axons

Is neuritis painful?

Yes very

Conditions required for successful regeneration

1. Cell body must be healthy & intact

2. Adequate blood supply

3. Adequate Schwann cell supply

4. Absence of Infection

5. Endoneurial Sheath Intact

How long is gap repair for nerve injuries?

10-12 days post injury

the location of the leading tip of the new axon(s), its newly reconstructed neurolemma and myelin sheath during regeneration is known as the….

REGENERATION FRONTIER

one alpha motor neuron together with the muscle cells it stimulates

Motor Unit

Which two nerves carry the majority of Vasomotor function in the the body?

Median (Upper Extremity)

Tibial/Sciatic (Lower Extremity)

Should you friction a neuroma?

No

The axillary nerve innervates the following muscles:

Deltoids

Teres Minor

The axillary nerve innervates the following motor functions:

Abduction of the arm at shoulder beyond first 15 degrees

The axillary nerve supplies the following sensory area:

The skin over the shoulder

Injury of the Axillary Nerve may lead to:

Deltoid weakness - Shoulder Abduction 15-90 degrees

Flat shoulder deformity

The Musculocutaneous Nerve innervates:

Biceps, Brachialis, Coracobrachialis (BBC)

The musculocutaneous nerve is responsible for the following actions:

Elbow Flexion & Supination of the Forearm

The musculocutaneous nerve provides sensory innervation to:

lateral surface of forearm through lateral antebrachial cutaneous nerveThe

The musculocutaneous nerve travels through the _______ muscle

Coracobrachialis

The musculocutaneous nerve is the most common upper limb nerve affected by _______ ________

Diabetic Neuropathy

The median nerve innervates the following muscles:

Flexor Carpi Radialis

Palmaris Longus

Pronator Quadratus

Pronator Teres

Digital Flexors

Motor Functions of the Median Nerve:

• Thumb Flexion and Opposition

• Flexion of Digits 2 + 3

• Wrist Flexion & Abduction

• Forearm Pronation

The median nerve provides sensory innervation for:

The skin over the anterolateral surface of the hand

The median nerve is referred to as the _____ _______ nerve

tool utilization

Which nerve is responsible for innervating the majority of autonomic fibres in the arm, forearm, and hand?

Median