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You are here: Home / Podcasts / 111: Upper Extremity Part 2 & an Exercise to Boost your Scores

111: Upper Extremity Part 2 & an Exercise to Boost your Scores

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For musculoskeletal questions pulled straight from The Final Step click here www.physicianassistantexamreview.com/msk

Shoulder Separation (AC joint sprain)

  • A partial or complete disruption of the ligaments at the AC joint
  • Causes
    • Direct blow
    • Falling on an outstretched hand

Clinical Presentation

  • Shoulder pain following trauma
  • Tenderness over the AC joint
  • My shoulder is drooping

Labs, Studies and Physical Exam Findings

  • Tenderness over AC joint
  • Deformity of AC joint especially with shoulder distraction
  • Crossover test (squeezes AC joint) causes pain in the AC joint
  • Pain relief with an injection of lidocaine into the AC joint
  • X-ray of the shoulder showing th separation

Treatment

  • Rest
  • Ice
  • Sling
  • Physical therapy
  • Severe cases require surgical correction

Shoulder Dislocation

  • Powerful abduction or extreme rotation may cause a shoulder dislocation (think of a spiking a volleyball or blocking a shot in basketball)
  • Shoulder dislocation involves the humerus and the glenoid
  • 95% are anterior dislocations

Clinical Presentation

  • Shoulder pain!
  • Limited range of motion

Labs, Studies and Physical Exam Findings

  • Obvious deformity
  • Patient will not allow any motion of the shoulder
  • x-ray showing dislocated joint

Treatment

  • Manual reduction

Nursemaid’s elbow

  • This is a subluxation of the radial head
  • Occurs with pulling of the extended arm of a child
  • Typically occurs in a child under 4 years

Clinical Presentation

  • My child isn’t using his arm.  Though he isn’t really complaining of pain.

Labs, Studies and Physical Exam Findings

  • Child will not use affected arm
  • They will allow passive motion of the arm
  • X-ray will be normal

Treatment

  • Treatment is by manual reduction
    • Supinate the wrist and extend the elbow while applying pressure over the radial head

Elbow fracture

  • Radial head fractures are fairly common

Clinical Presentation

  • Elbow pain and stiffness following trauama

Labs, Studies and Physical Exam Findings

  • Patien will not allow movement of the elbow
  • X-ray – Fat pad sign indicate an occult fracture

Treatment

  • Treatment – open reduction and internal fixation

Colles Fracture

  • This is the most common wrist fracture
  • Results from a fall onto a dorsiflexed hand
  • Dorsal angulation of the hand and wrist

Clinical Presentation

  • I fell on my hand it now it hurts

Labs, Studies and Physical Exam Findings

  • X-ray shows a silver fork or dinner fork deformity

Treatment

  • Closed reduction and immobilization
  • Surgical correction if unable to achieve a stable satisfactory reduction

Gamekeeper’s Thumb (Skier’s thumb)

  • Game here refers to hunted animals. A gamekeeper would break the necks of small animals like rabbits after they had been trapped. The method over time may result in this particualr injury
  • Injury to the ulnar collateral ligament of the thumb
  • Usually this is an tear or avulsion at the insertion site of the proximal phalanx

Clinical Presentation

  • I fell on my hand and now I can’t hold a coffee cup

Labs, Studies and Physical Exam Findings

  • Instability of the metacarpal joint of the thumb
  • Weak pinch or grasp
  • Swelling or bruising of the thenar eminence

Treatment

  • Minor tears may be treated in a thumb spica splint
  • More significant tears may require surgical repair

Scaphoid Fracture

  • The most commonly fractured carpal bone
  • Be sure to consider this in clinical practice
  • These have a high rate of nonunion

Clinical Presentation

  • Pain after a fall on an outstretched hand
  • Pain with use of the thumb

Labs, Studies and Physical Exam Findings

  • Pain with palpation of the anatomical snuffbox
  • May be missed on x-ray
  • MRI

Treatment

  • Cast
  • Thumb spica splint
  • Surgical correction

Boxer’s Fracture

  • Fracture of the 4th and possibly 5th metacarpal neck

Clinical Presentation

  • I punched a wall and now my hand really hurts

Labs, Studies and Physical Exam Findings

  • Knuckles may no longer be prominent
  • Obvious deformity may be present
  • X-ray to visualize the fracture

Treatment

  • Splinting
  • Closed reduction pinning
  • Open reduction and internal fixation

Chest and Ribs

Costocondritis- inflammation of the cartilage that connects the ribs to the sternu. It is also known as chest wall pain or costosternal syndrome.

Rib Fractures

Flail Chest: This condition occurs when multiple ribs are fractured in two or more places, causing a segment of the chest wall to become detached from the rest. It is typically a result of severe trauma and can lead to paradoxical chest wall movement during breathing.

**

Shoulder Separation (AC joint sprain)

  • A partial or complete disruption of the ligaments at the AC joint
  • Causes
  • Direct blow
  • Falling on an outstretched hand

Clinical Presentation

  • Shoulder pain following trauma
  • Tenderness over the AC joint
  • My shoulder is drooping

Labs, Studies and Physical Exam Findings

  • Tenderness over AC joint
  • Deformity of AC joint especially with shoulder distraction
  • Crossover test (squeezes AC joint) causes pain in the AC joint
  • Pain relief with an injection of lidocaine into the AC joint
  • X-ray of the shoulder showing th separation

Treatment

  • Rest
  • Ice
  • Sling
  • Physical therapy
  • Severe cases require surgical correction

Shoulder Dislocation

  • Powerful abduction or extreme rotation may cause a shoulder dislocation (think of a spiking a volleyball or blocking a shot in basketball)
  • Shoulder dislocation involves the humerus and the glenoid
  • 95% are anterior dislocations

Clinical Presentation

  • Shoulder pain!
  • Limited range of motion

Labs, Studies and Physical Exam Findings

  • Obvious deformity
  • Patient will not allow any motion of the shoulder
  • x-ray showing dislocated joint

Treatment

  • Manual reduction

Nursemaid’s elbow

  • This is a subluxation of the radial head
  • Occurs with pulling of the extended arm of a child
  • Typically occurs in a child under 4 years

Clinical Presentation

  • My child isn’t using his arm.  Though he isn’t really complaining of pain.

Labs, Studies and Physical Exam Findings

  • Child will not use affected arm
  • They will allow passive motion of the arm
  • X-ray will be normal

Treatment

  • Treatment is by manual reduction
  • Supinate the wrist and extend the elbow while applying pressure over the radial head

Elbow fracture

  • Radial head fractures are fairly common

Clinical Presentation

  • Elbow pain and stiffness following trauma

Labs, Studies and Physical Exam Findings

  • Patient will not allow movement of the elbow
  • X-ray – Fat pad sign indicate an occult fracture

Treatment

  • Treatment – open reduction and internal fixation

Colles Fracture

  • This is the most common wrist fracture
  • Results from a fall onto a dorsiflexed hand
  • Dorsal angulation of the hand and wrist

Clinical Presentation

  • I fell on my hand it now it hurts

Labs, Studies and Physical Exam Findings

  • X-ray shows a silver fork or dinner fork deformity

Treatment

  • Closed reduction and immobilization
  • Surgical correction if unable to achieve a stable satisfactory reduction

Gamekeeper’s Thumb (Skier’s thumb)

  • Game here refers to hunted animals. A gamekeeper would break the necks of small animals like rabbits after they had been trapped.  The method over time may result in this particular injury
  • Injury to the ulnar collateral ligament of the thumb
  • Usually this is an tear or avulsion at the insertion site of the proximal phalanx

Clinical Presentation

  • I fell on my hand and now I can’t hold a coffee cup

Labs, Studies and Physical Exam Findings

  • Instability of the metacarpal joint of the thumb
  • Weak pinch or grasp
  • Swelling or bruising of the thenar eminence

Treatment

  • Minor tears may be treated in a thumb spica splint
  • More significant tears may require surgical repair

Scaphoid Fracture

  • The most commonly fractured carpal bone
  • Be sure to consider this in clinical practice
  • These have a high rate of nonunion

Clinical Presentation

  • Pain after a fall on an outstretched hand
  • Pain with use of the thumb

Labs, Studies and Physical Exam Findings

  • Pain with palpation of the anatomical snuffbox
  • May be missed on x-ray
  • MRI

Treatment

  • Cast
  • Thumb spica splint
  • Surgical correction

Boxer’s Fracture

  • Fracture of the 4th and possibly 5th metacarpal neck

Clinical Presentation

  • I punched a wall and now my hand really hurts

Labs, Studies and Physical Exam Findings

  • Knuckles may no longer be prominent
  • Obvious deformity may be present
  • X-ray to visualize the fracture

Treatment

  • Splinting
  • Closed reduction pinning
  • Open reduction and internal fixation

Costochondritis

  • Inflammation of the cartilage that connects the ribs to the sternum
  • Also known as chest wall pain or costosternal syndrome
  • Pain is reproducable with deep inspiration or palpation
  • Self limiting. Ibuprofen PRN

Flail Chest

This condition occurs when multiple ribs are fractured in two or more places, causing a segment of the chest wall to become detached from the rest. It is typically a result of severe trauma and can lead to paradoxical chest wall movement during breathing.

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