Shoulder Ligaments Quiz: Test Your Knowledge of Glenohumeral Joint

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Questions and Answers

Which boney landmarks make up the proximal radioulnar articulation?

Head of the radius and the radial notch of the ulna (correct)

Head of the ulna and the medial side of the base of the radius

Base of the radius and the triangular fibro-cartilaginous complex

Between any adjacent carpals

What type of joint is the radiocarpal articulation?

Hinge

Pivot

Condyloid (correct)

Saddle

What movements are allowed at the radiocarpal articulation?

Pronation/supination

Abduction/adduction

Flexion/extension, radial and ulnar deviation, circumduction (correct)

Sliding/gliding

What type of joint is the intercarpal articulation?

Planar (gliding) Signup and view all the answers

What movements are allowed at the carpometacarpal articulation?

Flexion/extension, abduction/adduction, circumduction, opposition and reposition Signup and view all the answers

What type of joint is the metacarpophalangeal articulation?

1st MCP - hinge joint, MCP 2-5 condyloid joints Signup and view all the answers

What movements are allowed at the metacarpophalangeal articulation?

1st MCP - flexion/extension, MCP 2-5 - flexion/extension, abduction/adduction, circumduction Signup and view all the answers

What type of joint is the interphalangeal articulation?

Hinge joints Signup and view all the answers

What movements are allowed at the interphalangeal articulation?

Flexion/extension Signup and view all the answers

What type of joint is the glenohumeral joint?

Ball and socket Signup and view all the answers

Which bones make up the glenohumeral joint?

The head of the humerus and the glenoid fossa of the scapula Signup and view all the answers

Which ligament prevents excessive external rotation in the glenohumeral joint?

Glenohumeral ligaments Signup and view all the answers

How many ligaments form the glenohumeral ligaments?

Three Signup and view all the answers

Which ligament holds the tendon of the long head of the biceps brachii muscle in place?

Transverse humeral ligament Signup and view all the answers

Which ligament forms the coracoacromial arch and helps prevent superior displacement of the humeral head?

Coracoacromial ligament Signup and view all the answers

What structures make up the coracoacromial arch?

Coracoid process, coracoacromial ligament, and acromion Signup and view all the answers

What is the function of the subacromial bursa in the glenohumeral joint?

It is a communicating bursa between the acromion and the supraspinatus tendon Signup and view all the answers

What is the function of the subscapular bursa in the glenohumeral joint?

It is a communicating bursa between the tendon of subscapularis and the joint capsule Signup and view all the answers

What bones are involved in the humeroulnar articulation?

Trochlea of the humerus and the trochlear notch of the ulna Signup and view all the answers

What type of joint is the humeroulnar articulation?

Hinge Signup and view all the answers

Study Notes

Proximal Radioulnar Articulation

The proximal radioulnar articulation is formed by the head of the radius and the radial notch of the ulna.

Radiocarpal Articulation

The radiocarpal articulation is a condyloid joint.
It allows for movements such as flexion, extension, radial deviation, and ulnar deviation.

Intercarpal Articulation

The intercarpal articulation is a plane synovial joint.

Carpometacarpal Articulation

The carpometacarpal articulation is a plane synovial joint.
It allows for movements such as flexion, extension, and circumduction.

Metacarpophalangeal Articulation

The metacarpophalangeal articulation is a condyloid joint.
It allows for movements such as flexion, extension, abduction, and adduction.

Interphalangeal Articulation

The interphalangeal articulation is a hinge joint.
It allows for movements such as flexion and extension.

Glenohumeral Joint

The glenohumeral joint is a ball-and-socket joint.
It is formed by the humerus and the scapula.
The ligament that prevents excessive external rotation in the glenohumeral joint is the anterior glenohumeral ligament.
The glenohumeral ligaments consist of three ligaments: the anterior, middle, and posterior glenohumeral ligaments.
The ligament that holds the tendon of the long head of the biceps brachii muscle in place is the transverse humeral ligament.
The ligament that forms the coracoacromial arch and helps prevent superior displacement of the humeral head is the coracoacromial ligament.
The coracoacromial arch is formed by the coracoid process, the acromion, and the coracoacromial ligament.
The subacromial bursa in the glenohumeral joint reduces friction between the deltoid muscle and the acromion.
The subscapular bursa in the glenohumeral joint reduces friction between the subscapularis muscle and the scapula.

Humeroulnar Articulation

The humeroulnar articulation is a hinge joint.
It is formed by the trochlea of the humerus and the trochlear notch of the ulna.

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Description

Test your knowledge on the glenohumeral joint and its ligaments with this quiz. Answer questions about the bones involved and describe the functions of the glenohumeral ligaments.