MSK 18-19 - Upper Limb-IV & V Flashcards
What is parasthesia?
An abnormal sensation such as tingling, tickling, pricking, numbness or burning of a person’s skin with no apparent physical cause.
What is carpal tunnel syndrome? What are its symptoms?
What tests can be done to help diagnose carpal tunnel syndrome?
What types of incidents commonly cause an upper brachial plexus injury?
Most upper brachial plexus injuries result from excessive lateral bending of the head. The incidents that often cause this are obstetrical trauma (the doctor pulling too forcefully on the infants head) and a motorcycle accident beause the rider often has a lot of force applied to the neck/shoulder juncture.
What areas of the brachial plexus and which spinal nerves are typically affected by an upper brachial plexus injury?
An upper brachial plexus injury typically involves damage to the roots and trunks of the superior and sometimes middle branches. The C5, C6, and, to a lesser extent, C7 nerves are typically damaged.
Facts to know about Erb’s Palsy
What types of incidents commonly cause an upper brachial plexus injury?
Most lower brachial plexus injuries result from forceful abduction of the arm. The incidents that most commonly cause this are obstetrical trauma (the doctor pulling on the baby’s arm too hard) and by hanging by one arm from something.
What areas of the brachial plexus and which spinal nerves are typically affected by a lower brachial plexus injury?
Typically the root and trunk of the inferior branch of the brachial plexus is affected and the C8 and T1 spinal nerves are injured.
Facts to know about Klumpke’s Palsy.
Discuss the origin and route of the axillary nerve.
List the muscles and cutaneous sensory regions that the axillary nerve innervates.
What common types of injuries can affect the axillary nerve?
Discuss the origin and route of the musculocutaneous nerve.
List the muscles and cutaneous sensory regions that the musculocutaneous nerve innervates.
What common types of injuries can affect the musculocutaneous nerve? What are the symptoms of an injured musculocutaneous nerve?
Discuss the origin and route of the radial nerve.
List the muscles and cutaneous sensory regions that the radial nerve innervates.
What types of injuries can affect the radial nerve? What are the symptoms of an injured radial nerve?
Discuss the origin and route of the median nerve.
List the muscles and cutaneous sensory regtions that the median nerve innervates.
What is an ulnar deviation?
Ulnar deviation, also known as ulnar drift, is a hand deformity in which the swelling of the metacarpophalangeal joints (the big knuckles at the base of the fingers) causes the fingers to become displaced, tending towards the little finger.
Describe the symptoms of a median nerve injury that occurs at or above the elbow.
What test can be performed to diagnose a median nerve injury at or above the elbow?
How does a median nerve injury at the wrist typically occur? What are the symptoms of this?
Sensory loss is the same as any other median nerve injury
How does a median nerve injury in the palm typically occur? What are the symptoms of this?
Discuss the origin and route of the ulnar nerve
List the muscles and cutaneous sensory regtions that the ulnar nerve innervates.
How does an ulnar nerve injury at or above the elbow typically occur? What are the symptoms of this type of injury?
How does an ulnar nerve injury at the wrist typically occur? What are the symptoms of this type of injury?
What is Froment’s Sign? What does it test for and how is it observed?
