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Which structure lies in the spiral groove of the humerus?
The spiral groove is also known as the radial sulcus, and contains the deep brachial artery and radial nerve.
Abduction of the humerus is initiated by
The deltoid is involved in abduction of the humerus but it cannot initiate it. Supraspinatus starts the first 10-15 degrees of movement
Which of the following muscles attaches to the lateral end of the clavicle?
Superior displacement of the humerus is prevented by
Which of the following is true about the quadrangular space?
Which of the following is NOT a function of latissimus dorsi?
The musculocutaneous nerve comes from which part of the brachia plexus?
Which movement is serratus anterior chiefly responsible for?
All of the following attach to the greater tubercle of the humerus EXCEPT:
Subscapularis attaches to the lesser tubercle of the humerus
Which of the following is a common site of fractures on the humerus?
Fractures of the surgical neck are much more common, as this is a relatively thin area where the two tubercles constrict
Damage to the axillary nerve may cause which muscle to atrophy?
Asking a patient to try to abduct their arm against resistance from 0 degrees can be used to test the action of which muscle
The supraspinatus is responsible for initiating abduction of the arm
Which of the following is innervated by a cranial nerve?
The trapezius is unusual in that it is innervated by CN XI
Which of the following is not true about the scapula?
The spine eventually becomes the acromion, not the coracoid process
A patient with a knife wound to the front of the left wrist is seen in the emergency department. Examination reveals that two superficial tendons on either side of the median nerve have been severed. Which of the following tendons are these?
The following bones form the proximal row of carpal bones except the:
Concerning peripheral nerve injuries, all of the following are incorrect except:
The proximal row of carpal bones includes all the following carpal bones except:
The following bony points can be felt in the floor of the anatomical snuff box:
Which of the following flex the metacarpophalangeal joints and extend the interphalangeal joints in the hand: