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Anatomy > Joints > Flashcards

Joints Flashcards

1
Q

What is the most easily dislocated joint in the body?

A

Glenohumeral Joint (Shoulder) - the more mobile a joint is, the easier it is to dislocate

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2
Q

What are the ligaments in the glenohumeral joint?

A

Coracohumeral Ligament

Transverse Humeral Ligament

Glenohumeral Ligament (AKA Capsular Ligaments)

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3
Q

What are the attachments of the coracohumeral ligament?

A

Coracoid process to the greater tubercle of the humerus

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4
Q

What are the attachments of the transverse humeral ligament?

A

Spans the greater and lesser tubercles of the humerus and holds the tendon of the long head of the biceps in place

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5
Q

What are bursae?

A

They are small fluid-filled sac lined by synovial membrane with an inner capillary layer of viscous fluid that allow greater ease of movement.

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6
Q

What are the attachments of the glenohumeral ligament?

A

Supraglenoid tubercle to the lesser tubercle of the humerus

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7
Q

What is the glenoid labrum?

A

A fibrocartilaginous ligament surrounding the margin of the glenoid cavity and it deepens the socket

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8
Q

What are the ligaments in the acromioclavicular joint?

A

Acromioclavicular Ligament

Coracoclavicular Ligament

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9
Q

What are the attachments of the acromioclavicular ligament?

A

Acromion to the clavicle

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10
Q

What are the attachments of the coracoclavicular ligaments?

A

Coracoid process to the clavicle and they help to stabilize the clavicle

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11
Q

Besides ligaments, what else serves to stabilize the shoulder joint?

A

Tendons of the rotator cuff muscles

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12
Q

What are the ligaments in the humero-ulnar joint?

A

Ulnar Collateral Ligament of the Elbow

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13
Q

What are the ligaments of the humeroradial joint?

A

Radial Collateral Ligament of the Elbow

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14
Q

Attachments of the ulnar collateral ligament of the elbow.

A

Medial epicondyle to the coronoid process of the ulna and the olecranon of the elbow

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15
Q

Attachments of the radial collateral ligament of the elbow.

A

Lateral epicondyle to the radial notch of the ulna and annular ligament (Relatively weak)

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16
Q

What are the ligaments in the proximal radio-ulnar joint?

A

Annular Ligament

17
Q

Attachments of the annular ligament.

A

Surrounds the radial head and the radial notch of the ulna and keeps the head of the radius on the notch.

18
Q

What are the joints in the wrist?

A

Distal Radio-ulnar Joint

Radiocarpal Joint

Ulnarcarpal Joint

Intercarpal Joints

19
Q

What are the ligaments of the distal radio-ulnar joint?

A

Palmar Radioulnar Ligament

Dorsal Radioulnar Ligament

20
Q

What is the function of the palmar and dorsal radioulnar ligaments?

A

They extend transversely between the radius and ulna and the articular disc binds the bones together.

21
Q

What are the ligaments of the radiocarpal joint?

A

Palmar (Volar) Radiocarpal Ligament

Dorsal Radiocarpal Ligament

Radial Collateral Ligament of the Wrist

22
Q

What are the ligaments of the ulnar carpal joint?

A

Ulnocarpal Ligament

Ulnar Collateral Ligament of the Wrist

23
Q

What are the attachments of the ulnocarpal ligament?

A

Dorsal: styloid process of the ulna to the medial side of the triquetrum

Palmar: styloid process of the ulna to the pisiform and flexor retinaculum

24
Q

What are the attachments of the ulnar collateral ligament of the wrist?

A

Ulna to the triquetrum and pisiform

25
Q

What is the function of the intercarpal joints in the wrist?

A

They are synovial plane joints that allow sliding and gliding movements.

26
Q

What are the attachments of the CMC joints?

A

M = Metacarpal

M2:Trapezoid

M3:Capitate

M4:Hamate

M5:Hamate

27
Q

What are the attachments of the TMC?

A

M1:Trapezium

28
Q

What type of joint is the TMC?

A

Biaxial saddle joint

29
Q

What are the attachments of the metacarpophalangeal joints?

A

Metacarpals to their respective phalanges

30
Q

What is the function of interphalangeal joints?

A

They allow limited flexion and extension and do not allow any other movements (side to side movement of these joints is bad and abnormal)

31
Q

What are the joints of the shoulder?

A

Glenohumeral Joint

Acromioclavicular Joint

32
Q

What are the joints of the elbow?

A

Humeroulnar Joint

Humeroradial Joint

Proximal Radioulnar Joint

Interosseus Membrane

33
Q

What are the joints of the wrist?

A

Distal Radioulnar Joint

Radiocarpal Joint

Ulnarcarpal Joint

Intercarpal Joints

34
Q

What are the joints of the hand?

A

Carpometacarpal Joints (CMCs)

Trapeziometacarpal Joint (TMC)

Metacarpophalangeal Joints

Interphalangeal Joints

35
Q

What structure holds the head of the radius in place, allowing for pronation and supination if the forearm?

A

Annular Ligament

36
Q

Which ligament holds the long head of the biceps in place?

A

Transverse Humeral Ligament

37
Q

How is the interosseus membrane a joint?

A

It is a fibrous joint that unites the radius and the ulna and it divides the forearm into anterior and posterior compartments.

Anatomy (41 decks)

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