Podcast
Questions and Answers
Which nerve supplies the medial half of the flexor digitorum profundus and the flexor carpi ulnaris muscles?
Which nerve supplies the medial half of the flexor digitorum profundus and the flexor carpi ulnaris muscles?
Which nerve supplies most of the intrinsic muscles of the hand, including the hypothenar eminence, and the skin on the medial side of the hand?
Which nerve supplies most of the intrinsic muscles of the hand, including the hypothenar eminence, and the skin on the medial side of the hand?
Which nerve injury can cause a 'claw hand' deformity?
Which nerve injury can cause a 'claw hand' deformity?
Which nerve supplies the biceps, coracobrachialis, and brachialis muscles?
Which nerve supplies the biceps, coracobrachialis, and brachialis muscles?
Signup and view all the answers
Which nerve injury can result in a 'wrist drop' deformity?
Which nerve injury can result in a 'wrist drop' deformity?
Signup and view all the answers
Which brachial plexus injury is characterized by a 'waiter's tip' deformity, with the arm adducted, medially rotated, and pronated?
Which brachial plexus injury is characterized by a 'waiter's tip' deformity, with the arm adducted, medially rotated, and pronated?
Signup and view all the answers
Which branch of the medial cord of the brachial plexus is responsible for innervating the flexor muscles of the forearm, except for the flexor carpi ulnaris and the medial half of the flexor digitorum profundus?
Which branch of the medial cord of the brachial plexus is responsible for innervating the flexor muscles of the forearm, except for the flexor carpi ulnaris and the medial half of the flexor digitorum profundus?
Signup and view all the answers
Which branch of the posterior cord of the brachial plexus is responsible for innervating the teres minor and deltoid muscles, as well as the skin over the inferior part of the deltoid?
Which branch of the posterior cord of the brachial plexus is responsible for innervating the teres minor and deltoid muscles, as well as the skin over the inferior part of the deltoid?
Signup and view all the answers
Which branch of the medial cord of the brachial plexus is responsible for innervating the pectoralis minor and part of the pectoralis major muscles?
Which branch of the medial cord of the brachial plexus is responsible for innervating the pectoralis minor and part of the pectoralis major muscles?
Signup and view all the answers
Which disorder is characterized by the inability to flex the first and second fingers at the proximal interphalangeal joints, due to median nerve dysfunction?
Which disorder is characterized by the inability to flex the first and second fingers at the proximal interphalangeal joints, due to median nerve dysfunction?
Signup and view all the answers
Which branch of the posterior cord of the brachial plexus is responsible for innervating the subscapularis and teres major muscles?
Which branch of the posterior cord of the brachial plexus is responsible for innervating the subscapularis and teres major muscles?
Signup and view all the answers
Which disorder is characterized by the inability to flex the fingers due to median nerve dysfunction, resulting in a hand that resembles an ape's hand?
Which disorder is characterized by the inability to flex the fingers due to median nerve dysfunction, resulting in a hand that resembles an ape's hand?
Signup and view all the answers
Which part of the brachial plexus is formed by the union of the anterior rami of C5-C8 & T1?
Which part of the brachial plexus is formed by the union of the anterior rami of C5-C8 & T1?
Signup and view all the answers
Which trunk of the brachial plexus is formed by C5& C6?
Which trunk of the brachial plexus is formed by C5& C6?
Signup and view all the answers
Which part of the brachial plexus innervates the muscles of the anterior compartment in the arm and forearm?
Which part of the brachial plexus innervates the muscles of the anterior compartment in the arm and forearm?
Signup and view all the answers
Which part of the brachial plexus forms the lateral cord?
Which part of the brachial plexus forms the lateral cord?
Signup and view all the answers
What is responsible for forming the posterior cord in the brachial plexus?
What is responsible for forming the posterior cord in the brachial plexus?
Signup and view all the answers
Which structure joins the roots of the brachial plexus as they pass between the scalene muscles?
Which structure joins the roots of the brachial plexus as they pass between the scalene muscles?
Signup and view all the answers
Which nerve is responsible for innervating the rhomboid muscles?
Which nerve is responsible for innervating the rhomboid muscles?
Signup and view all the answers
Which branch of the brachial plexus passes through the scapular notch under the superior transverse scapular ligament?
Which branch of the brachial plexus passes through the scapular notch under the superior transverse scapular ligament?
Signup and view all the answers
Which muscle is innervated by the long thoracic nerve?
Which muscle is innervated by the long thoracic nerve?
Signup and view all the answers
Which branch of the brachial plexus innervates the subclavius muscle and the sternoclavicular joint?
Which branch of the brachial plexus innervates the subclavius muscle and the sternoclavicular joint?
Signup and view all the answers
Which of the following brachial plexus branches can be affected in a condition called Parsonage-Turner syndrome?
Which of the following brachial plexus branches can be affected in a condition called Parsonage-Turner syndrome?
Signup and view all the answers
Which branch of the brachial plexus can be affected in a condition called winged scapula?
Which branch of the brachial plexus can be affected in a condition called winged scapula?
Signup and view all the answers
Which muscles are innervated by the median nerve?
Which muscles are innervated by the median nerve?
Signup and view all the answers
What is the condition referred to as 'ape hand' caused by?
What is the condition referred to as 'ape hand' caused by?
Signup and view all the answers
Which of the following is NOT a symptom of carpal tunnel syndrome?
Which of the following is NOT a symptom of carpal tunnel syndrome?
Signup and view all the answers
What is the cause of carpal tunnel syndrome?
What is the cause of carpal tunnel syndrome?
Signup and view all the answers
Which of the following tests is used to diagnose carpal tunnel syndrome?
Which of the following tests is used to diagnose carpal tunnel syndrome?
Signup and view all the answers
Which branch of the brachial plexus does the median nerve arise from?
Which branch of the brachial plexus does the median nerve arise from?
Signup and view all the answers