biceps, triceps, and coracobrachialis. quiz
Which of the following is the primary muscle of supination?
biceps brachii
What is the thin sheet of fascia extending off the distal tendon of the biceps brachii?
bicipital aponeurosis
Which is the origin of the biceps brachii's short head?
coracoid process of scapula
Which is the origin of the coracobrachialis?
coracoid process of scapula
As you follow the biceps brachii belly proximally, it becomes deep to which muscle?
deltoid
Which movement shortens the fibers of the triceps brachii?
elbow extension
Which of the following is an action of the biceps brachii?
flex the elbow
Which of the following is an action of the coracobrachialis?
flex the shoulder
Which is the origin of the triceps brachii's long head?
infraglenoid tubercle of the scapula
Which head of the biceps brachii passes through the intertubercular groove?
long head
Which is the insertion of the coracobrachialis?
medial surface of mid-humeral shaft
To outline the distal tendon of the triceps brachii, which landmark do you want to locate?
olecranon process
Which is the insertion of the triceps brachii?
olecranon process of ulna
In anatomical position, the coracobrachialis is deep to which two muscles?
pectoralis major and anterior deltoid
Which movement would lengthen the fibers of the biceps brachii?
pronation of the forearm
Which movement would lengthen the fibers of the coracobrachialis?
shoulder abduction
What resisted action could you ask your partner to perform to feel the contraction of the long head of the triceps brachii?
shoulder extension
Which of the following is the only muscle of the posterior arm?
triceps brachii
Which is the insertion of the biceps brachii?
tuberosity of radius and aponeurosis of biceps brachii