The Elbow Flashcards
Brachialis- location, attachment and movement
Location-Distal humerus Attachment- Coronoid process of ulna Movement- Flexes in all positions
Biceps brachii- location, attachment and movement
Location-Humerus Short head- attaches to corocoid process Long head- Supraglenoid tubercle Insertes onto the Radial Tuberosity of radius Movements: Flexor and Powerful supinator
Function of Coracobrachialis
Flex and adduct shoulder Resists dislocation
Name the muscles in the posterior compartment of the arm
Triceps Anconeus
Triceps reflex nerve routes
C7,C8
Biceps reflex nerve routes
C5,C6
What does the radial nerve pass through? Which muscle does it follow
Radial spiral groove Profunda brachii
Bones which form the elbow joint?
Humerus, radius, ulna
Function of the epicondyles?
Muscle attachment
Name the two articular surfaces of the condyles. Which is larger?
Lateral- capitulum
Medial- trochlea (larger)
How many fossas are at the elbow joint? Where are they located?
3 Altogether
2 anteriorly
1 posteriorly
Which bones form the medial and lateral side of the forarm
Medial- ulna
Lateral- radius
What are the 3 joints which form the elbow joint?
- Spool-shaped trochlea of humerus with trochlear notch of ulna (humero-ulnar)
- Spheroidal capitulum of humerus with head of radius (humero-radial)
- proximal radio-ulnar joint
Name the 3 main ligaments on the elbow joint
Radial collateral ligament
Ulnar collaterla ligament
Anular ligament
Location of the anular ligament?
Wraps around the head of the radius