Podcast
Questions and Answers
What is the lateral limit of the axillary inlet?
What is the lateral limit of the axillary inlet?
- The anterior axillary skin fold
- The upper part of the serratus anterior muscle
- The tip of the coracoid process (correct)
- The clavicle
What muscle forms the inferior margin of the posterior axillary wall?
What muscle forms the inferior margin of the posterior axillary wall?
- Pectoralis major
- Latissimus dorsi (correct)
- Serratus anterior
- Teres major
Which of the following is NOT a brachial plexus injury?
Which of the following is NOT a brachial plexus injury?
- Carpal tunnel syndrome (correct)
- Brachial plexus neuroma
- Wrist drop
- Brachial plexus root avulsion
What is the anatomical basis for wrist drop?
What is the anatomical basis for wrist drop?
Which of the following is NOT a component of the brachial plexus?
Which of the following is NOT a component of the brachial plexus?
Which of the following is the best way to diagnose a brachial plexus injury?
Which of the following is the best way to diagnose a brachial plexus injury?
Which nerve is responsible for innervating all muscles on the posterior and lateral sides of the upper limb?
Which nerve is responsible for innervating all muscles on the posterior and lateral sides of the upper limb?
Where does the brachial plexus begin?
Where does the brachial plexus begin?
What do the dorsal divisions of the trunks form?
What do the dorsal divisions of the trunks form?
Which trunk is a continuation of C7 in the brachial plexus?
Which trunk is a continuation of C7 in the brachial plexus?
What is the lateral boundary of the axilla?
What is the lateral boundary of the axilla?
Where do the ventral divisions recombine to form the lateral and medial cords?
Where do the ventral divisions recombine to form the lateral and medial cords?
What is the characteristic posture resulting from an injury to the lower trunk or the 1st thoracic nerve?
What is the characteristic posture resulting from an injury to the lower trunk or the 1st thoracic nerve?
Which nerve injury is similar to an injury to the lower trunk or the 1st thoracic nerve in its effects on the hand?
Which nerve injury is similar to an injury to the lower trunk or the 1st thoracic nerve in its effects on the hand?
What is the clinical manifestation of a posterior cord injury involving the radial nerve?
What is the clinical manifestation of a posterior cord injury involving the radial nerve?
What is the condition referred to as 'Saturday night palsy' caused by?
What is the condition referred to as 'Saturday night palsy' caused by?
Which of the following can cause a posterior cord injury?
Which of the following can cause a posterior cord injury?
What type of sensory loss is associated with an injury to the lower trunk or the 1st thoracic nerve?
What type of sensory loss is associated with an injury to the lower trunk or the 1st thoracic nerve?
Which of the following muscles would be affected in an upper plexus injury (Erb's palsy)?
Which of the following muscles would be affected in an upper plexus injury (Erb's palsy)?
What is the characteristic posture of the arm and forearm in an upper plexus injury (Erb's palsy)?
What is the characteristic posture of the arm and forearm in an upper plexus injury (Erb's palsy)?
Which of the following nerves would be affected in a lower plexus injury (Klumpke's paralysis)?
Which of the following nerves would be affected in a lower plexus injury (Klumpke's paralysis)?
Which of the following statements is true regarding brachial plexus injuries?
Which of the following statements is true regarding brachial plexus injuries?
Which of the following is the most common cause of an upper plexus injury (Erb's palsy)?
Which of the following is the most common cause of an upper plexus injury (Erb's palsy)?
Which of the following is NOT a characteristic feature of a lower plexus injury (Klumpke's paralysis)?
Which of the following is NOT a characteristic feature of a lower plexus injury (Klumpke's paralysis)?
