Anterior Arm, Anterior Forearm and Cubital Fossa Flashcards
What muscles are found in the anterior compartment of the arm?
Biceps brachii
Coracobrachialis
Brachialis
What nerve supplies the anterior compartment of the forearm?
Musculocutaneous nerve
What heads comprise the biceps brachii?
Long head
Short head
What are the proximal attachments of the biceps brachii?
Supraglenoid tubercle of scapula
Coracoid process of scapula
Where does the tendon of the long head of biceps brachii pass?
Intertubercular groove of humerus
Movement of the tendon within the intertubercular groove can cause what?
Biceps tendinitis
What are the two distal attachments of the biceps brachii?
Biceps tendon
Bicipital aponeurosis
What does the biceps tendon attach to?
Radial tuberosity
What movement occurs in the biceps tendon reflex?
Flexion of forearm at elbow
What are the attachments of the coracobrachialis?
Coracoid process of scapula to humerus
What are the attachments of the brachialis?
Humerus to coronoid process of ulna
What is the most powerful forearm supinator?
Biceps brachii
The forearm is supplied by what nerves?
Median nerve
Ulnar nerve
Which parts of the forearm are NOT supplied by the median nerve?
Flexor carpi ulnaris
Medial part of flexor digitorum profundus
The forearm muscles are responsible for what movements?
Wrist flexion, abduction and adduction
Finger flexion
Thumb flexion
Forearm pronation
Forearm muscles are arranged into what?
Layers (superficial, intermediate and deep)
What muscles are found in the superficial layer?
Pronator teres
Palmaris longus
Flexor carpi radialis
Flexor carpi ulnaris
The superficial forearm muscles attach proximally to what?
Medial epicondyle of humerus
What is the main muscle in the intermediate layer?
Flexor digitorum superficialis
What muscles are found in the deep layer?
Flexor digitoum profundus
Flexor pollicis longus
Pronator quadratus
Tendonitis of the common flexor tendon is known as what condition?
Golfers elbow
The common flexor origin attaches proximally where?
Medial epicondyle of the humerus
What are the superficial contents of the cubital fossa?
Median cubital vein
Cephalic vein
Basilic vein
What forms the superior boundary of the cubital fossa?
Transverse line between epicondyles of the humerus
What forms the medial border of the cubital fossa?
Pronator teres
What forms the lateral border of the cubital fossa?
Brachioradialis
What are the deep contents of the cubital fossa?
Median nerve
Brachial artery
Radial nerve
