G-H Anatomy

Question 1

Which 4 joints are part of the shoulder complex?

Answer 1

G-H - GLENOHUMERAL
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A-C - ACROMIOCLAVICULAR
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S-C - STERNOCLAVICULAR
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S-T - SCAPULOTHORACIC

Question 2

What type of joint is the glenohumeral, how would it be described?

Answer 2

SYNOVIAL - MULTI-AXIAL - BALL and SOCKET
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SHALLOW ARTICULATION (deepened by glenoid labrum)

Question 3

What is the G-H joint partially stabilized by?

Answer 3

LIGAMENTS

Question 4

What type of joint is the acromioclavicular joint?

Answer 4

SYNOVIAL - PLANE

stabilized by ligaments

Question 5

What type of joint is the sternoclavicular joint?

Answer 5

SYNOVIAL - SADDLE with ARTICULAR DISC

stabilized by ligaments

Question 6

Which joint of the shoulder capsule is not a true joint, and which muscle helps to stabilize it?

Answer 6

S-T - SCAPULOTHORACIC
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SERRATUS ANTERIOR

Question 7

Name the key dynamic stabilizers of the G-H joint?

Answer 7

ROTATOR CUFF

Question 8

What needs to happen at the G-H joint for normal abduction ROM?

Answer 8

GH EXTERNALLY ROTATES at about 90° ABDUCTION

Question 9

What needs to happen at the G-H joint for normal flexion ROM?

Answer 9

GH INTERNALLY ROTATES at about 90° FLEXION

Question 10

Scapular tipping is a result of what?

Answer 10

TIGHT PEC MINOR

Question 11

Scapular winging is a result of what?

Answer 11

WEAK SERRATUS ANTERIOR

Question 12

What are the close and resting (loose) packed positions of the G-H joint?

Answer 12

CLOSE - FULL ABDUCTION and LATERAL ROTATION
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RESTING (LOOSE) - 55° OF ABDUCTION with 30° OF HORIZONTAL ADDUCTION

Question 13

What are the close and resting (loose) packed positions of the A-C joint?

Answer 13

CLOSE - 90° ABDUCTION
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RESTING (LOOSE) - ARM AT SIDE

Question 14

What are the close and resting (loose) packed positions of the S-C joint?

Answer 14

CLOSE - FULL ELEVATION OF G-H
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RESTING (LOOSE) - ARM AT SIDE

Question 15

What are the close and resting (loose) packed positions of the S-T joint?

Answer 15

CLOSE - N / A
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RESTING (LOOSE) - ARM AT SIDE

Question 16

What is the capsular pattern of the G-H joint?

Answer 16

1ST - LATERAL ROTATION
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2ND - ABDUCTION
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3RD - MEDIAL ROTATION

Question 17

Name the only articulation between the upper limb and the trunk?

Answer 17

S-C JOINT

Question 18

When should you consider possible visceral influences in shoulder pain?

Answer 18

CONSTANT PAIN
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NOTHING CHANGES THE PAIN

Question 19

Where on the shoulder would visceral heart and chest tightness present?

Answer 19

LEFT ANTERIOR SHOULDER
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DOWN LEFT ARM

Question 20

Where on the shoulder would visceral lung and diaphragm problems present?

Answer 20

SHOULDER
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USUALLY SAME SIDE AS LUNG PROBLEM

Question 21

Where on the shoulder would visceral liver and gall bladder problems present?

Answer 21

RIGHT UPPER SHOULDER
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UPPER TRAPS AREA

Question 22

A step deformity (separation) happens at the ___-___ joint, and dislocations happen at the ___-___ joint.

Answer 22

A-C JOINT
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G-H JOINT