1.4.6. Movement of the Glenohumeral Joint Flashcards Preview

3rd Year - MSK Upper Limb Anatomy > 1.4.6. Movement of the Glenohumeral Joint > Flashcards

Flashcards in 1.4.6. Movement of the Glenohumeral Joint Deck (17)
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1
Q

What Type of Joint is the Glenohumeral Joint?

A

Synovial Ball and Socket Joint

2
Q

What are the Movements which can occur at the Glenohumeral Joint?

A
  1. Extension
  2. Flexion
  3. Abduction
  4. Adduction
  5. Medial rotation
  6. Lateral Rotation
3
Q

What movement is produced by Extension at the Glenohumeral Joint?

A

The Upper Limb travels Backwards, in the Sagittal Plane

4
Q

What Muscles produce Extension at the Glenohumeral Joint?

A
  1. Posterior Deltoid
  2. Latissimus Dorsi
  3. Teres Major
5
Q

What movement is produced by Flexion at the Glenohumeral Joint?

A

The Upper Limb travels Forwards, in the Sagittal Plane

6
Q

What Muscles produce Flexion at the Glenohumeral Joint?

A
  1. (Both Heads of the) Biceps Bracii
  2. Pectoralis Major
  3. Anterior Deltoid
  4. Corachobrachialis
7
Q

What movement is produced by Abduction at the Glenohumeral Joint?

A

The Upper Limb travels Away from the Midline, in the Coronal Plane

8
Q

What Muscle produces Abduction at the Glenohumeral Joint, from 0-15 degrees?

A

Supraspinatus

9
Q

What Muscle produces Abduction at the Glenohumeral Joint, from 15-90 degrees?

A

Middle Fibres of the Deltoid

10
Q

What needs to happen to allow for Abduction at the Glenohumeral Joint beyond 90 degrees?

A

Scapula Rotation

11
Q

What Muscles cause Scapula Rotation, to allow for Abduction at the Glenohumeral Joint beyond 90 degrees?

A
  1. Trapezius

2. Serratus Anterior

12
Q

What movement is produced by Adduction at the Glenohumeral Joint?

A

The Upper Limb travels Towards the Midline, in the Coronal Plane

13
Q

What Muscles produce Adduction at the Glenohumeral Joint?

A
  1. Pectoralis Major
  2. Latissimus Dorsi
  3. Teres Major
14
Q

What movement is produced by Medial Rotation at the Glenohumeral Joint?

A

Rotation Towards the Midline, so that the Thumb is pointing Medially

15
Q

What Muscles produce Medial Rotation at the Glenohumeral Joint?

A
  1. Subscapularis
  2. Pectoralis Major
  3. Latissimus Dorsi
  4. Teres Major
  5. Anterior Deltoid
16
Q

What movement is produced by Lateral Rotation at the Glenohumeral Joint?

A

Rotation Away from the Midline, so that the Thumb is pointing Laterally

17
Q

What Muscles produce Lateral Rotation at the Glenohumeral Joint?

A
  1. Infraspinatus

2. Teres Minor

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