Musles of the Forearm Flashcards
What is the name of the flat surface that meets the head of the humerus?
Glenoid fossa
What is the name of the small bump at the top of the socket on the scapula?
Supraglenoid tubercle
What does the word biceps mean?
Two heads
What is the name of the beak-like structure on the scapula?
Coracoid process
What is the name of the bump on the proximal end of the radius?
Radial tuberosity
What is the insertion of the biceps brachii?
Radial tuberosity
What is the origin of the short head of the biceps brachii?
Coracoid process
What is the origin of the long head of the biceps brachii?
Supraglenoid tubercle
Which head of the biceps brachii assists in adduction of the glenohumeral joint?
Short head
What are the four actions of the biceps brachii?
Flexion of the humeroulnar joint
Supination of the radioulnar joint (forearm)
Adduction of the glenohumeral joint
Flexion of the glenohumeral joint (short head)
What is the name of the front surface of the upper arm bone?
Anterior humerus
What is the name of the small bump at the proximal end of the ulna closest to the joint?
Coronoid process
What is the name of bump distal to the coronoid process of the ulna?
Ulnar tuberosity
What is the origin of the brachialis?
Anterior distal humerus
What is the insertion of the brachialis?
Coranoid process of ulna &
ulnar tuberosity
What is the action of the brachialis?
Flexion of the humeroulnar joint
What is the name of the back surface of the upper arm bone?
Posterior surface of the humerus
What is the technical name of the big bump on the back of the elbow?
Olecranon process
What is the name of the small bump at the bottom of the glenoid fossa?
Infraglenoid tubercle
What is the insertion of the triceps brachii?
Olecranon process
What is the origin of the lateral head of the triceps brachii?
Posterior humerus above spiral groove
What is the origin of the long head of the triceps brachii?
Infraglenoid tubercle
What is the origin of the medial head of the triceps brachii?
Posterior humerus below spiral groove
What are the three actions of the triceps brachii?
Extension of the humeroulnar joint (all heads)
Extension of the glenohumeral joint (long head)
Adduction of the glenohumeral joint (long head)
What is the technical name of the shoulder joint?
Glenohumeral joint
What is the technical name of the elbow joint?
Humeroulnar joint
What is the technical name of the joints in the forearm?
Radioulnar joints
What are the actions of the shoulder joint that we have covered so far?
Flexion
Extension
Abduction
Adduction
What are the actions of the elbow joint?
Flexion
Extension
What are the actions of the forearm?
Supination
Pronation
