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