Joints Flashcards by Matthew Archer

Classify the Glenohumeral Joint

Ball and Socket Synovial Joint

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Articulating surfaces of the Glenohumeral Joint

Humeral Head and

Glenoid Fossa of Scapula

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What is the capsule attachment of the glenohumeral joint

Margin of glenoid cavity and
Anatomical neck of humerus

Encloses Long Head of Biceps

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What does the synovial membrane of the glenohumeral joint line

Entire inside surface of joint capsule
Humerus
Glenoid Labrum
Joint cavity part of Biceps tendon

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What are the ligaments associated with the glenohumeral joint

Glenohumeral ligaments (3 of them on anterior side)
Coracohumeral Ligament
Transverse humeral Ligament
Coracoacromial ligament

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What muscles act on the glenohumeral joint?

Axio-appendicular muscles (Indirectly)
Scapulohumeral muscles (directly)
Shunt muscles (prevent dislocation)

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What is the blood supply of the glenohumeral joint?

Anterior and Posterior circumflex humeral arteris
suprascapular artery
subscapular artery

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What is the innervation of the glenohumeral joint?

Articular br. of Axillary N.
Articular br. of Suprascapular N.
Articular br. of Lateral pectoral N.

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What are the bursae associated with the glenohumeral joint?

Subscapular bursa
Subtendinous bursa of subscsapula
Subacromial bursa (subdeltoid bursa)

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What does the coracoacromial arch consist of

coracoid process
coracoacaromial ligament
acromion

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What does the coracoacromial arch do

prevents upward dislocation of the humerus

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What is the subacromial bursa (subdeltoid bursa) inferior to

coraco-humeral arch
coracoacromial ligament
deltoid

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What are the attachments of the coracohumeral ligament

Inferior surface of coracoid process

Greater tubercle of humerus

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Describe the transverse humeral ligament

covers the superior intertubulcular sulcus

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Classify the elbow joint

hinge type of synocial joint

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What are the articulating surfaces of the elbow joint

trochlea and trochlear notch of ulna

Capitulum and head of radius

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What is the capsule attachment of the elbow joint

attaches to humerus at medial and lateral ends of articulating surfaces

Attaches to coronoid and olecranon fossae

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Where does the synovial membrane run of the elbow joint

lines interior surface of capsule
Intracapsular and non-articular parts of humerus
continuous with synovial membrane of radio-ulnar joint
strengthened by collateral ligaments on each side

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What are the ligaments associated with the elbow joint

Radial collateral Ligament
-Blends distally with annular ligament of radius

Ulnar collateral ligament
-From medial epicondyle of humerus to coronoid process of ulna

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What muscles act on the elbow joint

chief flexors =
biceps brachii and barchialis

Chief extensors = triceps brachii

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What is the blood supply of the elbow joint

derived from anastomosis of elbow joint

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What is the nerve supply of the elbow joint

musculocutaneous N.
Radial N.
Ulnar N.

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What are the bursae associated with the elbow joint

Intratendinous olecranon bursa
Subtendinous olecranon bursa
Subcutaneous olecranon bursa
Bicipitoradial bursa

Which ligament keeps the head of the radius in place

Annular ligament

What does the anular ligament continue as distally

Sacciform recess of radio-ulnar joint

What is Hilton's law

Motor nerve to a muscle supplies branch to joint on which muscle has action as well as to the overlying skin

What is the classification of the sternoclavicular joint

Saddle type of synovial joint BUT FUNCTIONS AS A BALL AND SOCKET JOINT

What are the articulating surfaces of the sternoclavicular joint

Medial clavicle Manibrius of sternum First costal cartilage

What is the function of the sternoclavicular joint

Shock absorer | Prevents medial clavicle displacement

What are the ligaments assiciated with the sternoclaavicular joint

Anterior and posterior sternoclavicular ligaments Interclavicular ligament Costoclavicular ligament

What are the movements that take place at the sternoclavicular joint

``` Flexion Extension Medial/lateral rotation Abduction Adduction ```

What is the classification of the acromioclavicular joint

Plane type of synovial joint

What are the articulating surfaces of the acromioclavicular joint

Acromion of scapula | Lateral end of clavicle

What ligaments are associated with the acromioclavicular joint

Acromioclavicular ligament | Coracoclavicular ligament

What movements take place at the acromioclavicular joint

Rotation of acromion

What is the blood supply of the acromioclavicular joint

Suprascapular A. | Thoracoacromial A.

What is the innervation of the acromioclavicular joint

suprascapular N. Lateral Pectoral N. Acilary N.

What is the classification of the radiocarpal joint

condyloid type of synovial joint

What are the articulating surfaces of the radiocarpal joint

distal radius Scaphoid, Lunate, Triquetrium Articular disk

What are the ligaments associated with the radiocarpal joint

Palmar and dorsal radiocarpal ligaments Ulnar collateral ligament Radial collateral ligament

What are the movements that take place at the radiocarpal joint

Flexion Extension Abduction Adduction

Classify the proximal radio-ulnar joint

picot type of synovial joint

Describe the capsule of the proximal radio-ulnar joint

continuous with that of the elbow joint

Classify the distal radio-ulnar joint

Pivot type synovial joint

What are the ligaments associated with the distal radio-ulnar joint

``` Firbrocartilage disk (articular disk) = Triangular ``` Anterior lig. Posterior Lig.

What is the movement that takes place at the distal radio-ulnar joint

Rotation of the ulnar head

What is the movement that takes place at the proximal radio-ulnar joint

rotation of radius

What is the classification of the Carpometacarpal joints and the Intermetacarpal joints

plane type of synovial joint Thumb: Saddle type of synovial joint

What are the ligaments associated with the carpometacarpal and intercarpal joints

Anterior and Posterior carpometacarpal ligaments Anterior and Posterior Intermetacarpal Ligaments Interosseous Ligaments

What is the classification of the metacarpophalangeal joint

Condyloid type of synovial joint

What are the ligaments associated with the metacarpophalangeal joints

Collateral Lig. Palmar Lig. Deep transverse Lig.

What is the classification of the Proximal Interphalangeal and Distal Interphalangeal joints

Hinge type of synovial joints

What are the ligaments associated with the proximal interphalangeal and distal interphalangeal joints

Palmar and dorsal interphalangeal Ligs. | Collateral Ligs.

What is the Subacromial Bursa (Subdeltoid Bursa) superior to

Joint capsule | Tendon of supraspinatus

What are the three types of joints

Fibrous joints Catilaginous joints Synovial joints