MSK Workbook 2 Flashcards
Name the anterior features of the humerus
Head Lesser tubercle Greater tubercle Intertubercular groove Deltoid groove Radial fossa Coronoid foss Trochlea Capitulum
Name the posterior features of the humerus
Surgical neck Anatomical neck Body Olecranon fossa Medial epicondyle
Name the 4 main structures in the anterior compartment of the arm
Biceps Brachii (short head)
Coracobrachialis
Musculocutaneous nerve
Biceps brachii (long head)
Where does the short head of the bicep brachii originate
Coracoid process
Where does the long head of the biceps brachii originate
Supraglenoid tubercle
What is action of the biceps brachii on the shoulder and elbow joint
Flexes
At the superior radio-ulnar joint the biceps brachii is involved in ___
Supination
Where does the coracobrachialis lie
Beneath the short head of the biceps brachii
Where does the brachial muscle arse from
Anterior surface of the distal shaft of the humerus
What is the main action of the brachial muscle
Flex the elbow joint
What is the segmental or root value of the musculocutaneous nerve
C5 to C7
What muscles in the forearm does the musculocutaneous nerve supply
Elbow joint
Name the neuromuscular structures of the anterior arm
Axillary artery
Radial nerve
Ulnar nerve
Medial nerve
The brachial artery is a continuation of the ____
Axillary artery
Where does the brachial artery begin and end
Lower border of trees major and ends in the cubital fossa
What does the brachial artery divide into
Radial and ulnar artery at cubital fossa
Where does the median nerve arise from
Axilla by 2 roots
What are the 2 cords of the median nerve
Medial cord
Lateral cord
What cord does the ulnar nerve branch from
Medial Cord
What cord does the radial nerve branch from
Posterior
What cord does the axillary nerve branch from
Posterior
Name the muscles that are supplied by the ulnar nerve
Flexor carpi ulnaris
Ulnar half of flexor digitorum
Name the muscles supplied by the median nerve
Long flexors of the forearm
Muscles of the thenar eminence
Which head of the triceps attaches onto the infra-glenoid tubercle of the scapula
Long head
What is the main action of the triceps on the elbow joint
Extensor
What is the action of the triceps and anconeus
Extension of the elbow
What is nerve supply to triceps and aconeus
C6 and C7
What is the characteristic clinical sign of radial nerve injury
Weakness or difficulty moving your wrist, hand or fingers
What nerve would be damaged in a fracture to spiral groove
Radial
What nerve would be damaged by a fracture to the medial epicondyle
Ulnar
What nerve would be damaged by a fracture to the surgical neck
Axillary
What type of joint is the elbow joint
Synovial hinge joint
Which ligament holds the ulnar in place
Ulnar colateral ligament
Which ligament holds the head of the radius
Radial collateral ligament
Which 2 muscles causes extension of the elbow
Triceps brachii
Aconeus
What is Student’s Elbow
Olecranon bursitis
What is Tennis Elbow
Lateral epicondylitis
What is Golfer’s elbow
Medial epicondylitis
What type pf joints are the radio-ulnar joints
Synovial pivot joints
The proximal radio-ulnar joint is supported by another ligament arising at the elbow – this keeps the head of the radius in place.
What is the name of this ligament?
Annular ligament
What muscles are involved in supination
Supinator
Biceps brachii
What muscles are involved in pronation
Pronator teres
Pronator quadratus
