Shoulder Girdle

Question 1

What is the origin of a muscle

Answer 1

Proximal attachment to bone which stays still when muscle contracts

Question 2

What is the insertion of the muscle?

Answer 2

Attachment of muscle to bone which moves during muscle contraction

Question 3

What are the 3 bones of the shoulder Girdle?

Answer 3

Scapula, clavicle and humerus

Question 4

What are the names of the 3 joints at the shoulder Girdle?

Answer 4

Glenohumeral, acromioclavicular,sternoclavicular

Question 5

What is the name of the point of articulation on the scapular in the glenohumeral joint

Answer 5

Glenoid cavity or fossa

Question 6

What is the name of the point of articulation on the scapula in the acromioclavicular joint.?

Answer 6

Acromion process

Question 7

What is the point of articulation in the glenohumeral joint in the humerus called?

Answer 7

Head of humerus

Question 8

What type of joint is the glenohumeral joint

Answer 8

Synovial, polyaxial ball and socket

Question 9

What movements are possible at the glenohumeral joint?

Answer 9

Flexion, extension, abduction, adduction, scaption, medial and lateral rotation

Question 10

What is the glenoid labrum

Answer 10

A fibrocartilaginous rim around d the glenoid cavity which improves stability

Question 11

What type of joint is the acromioclavicular

Answer 11

Plane synovial joint

Question 12

What are the articulating surfaces of the acrimioclavicukar joint

Answer 12

Acromion process of scapula to the lateral/acromial end of the clavicle

Question 13

What are the articulating surfaces of the sternoclavicular joint?

Answer 13

Above first rib on sternum and medial end of clavicle

Question 14

What is scapulothoracic joint?

Answer 14

Medial border of scapula attached to the posterior of the ribs

Question 15

What are the movements at the shoulder joint?

Answer 15

Elevation, depression, protractor, retraction, abduction, adduction, lateral and medial rotation, flexion, extension

Question 16

Which 3 muscles contribute to lateral rotation of the scapula?

Answer 16

Upper trapezius, serratus anterior, lower trapezious

Question 17

Which 3 muscles create medial or downwards rotation of the scapula?

Answer 17

Rhomboids, levator scapula, pectoralis minor

Question 18

What is the origin and insertion of pectoralis major?

Answer 18

Wide head from clavicle all round to sternum, biciptal groove

Question 19

What movements does the pectoralis major help create?

Answer 19

Shoulder flexion, medial rotation, abduction

Question 20

What is origin and insertion of f pectoralis minor?

Answer 20

3-5th ribs into coracoid process of scapula

Question 21

What 3 movements does Pec Minor create?

Answer 21

Protraction, depression, medial rotation of scapula

Question 22

What is origin and insertion of serrated anterior

Answer 22

Origin ribs 1-8/9 and insert into imferior medial border of scapula

Question 23

What is the main movement of serratus anterior?

Answer 23

Lateral rotation of scapula

Question 24

What are the 4 key muscles of the posterior thorax?

Answer 24

Latissimus dorsi, trapezius, levator scapula, rhomboids

Question 25

What are the key actions of the Upper trapezius

Answer 25

Elevation

Question 26

What are the key movements for lower trapezius?

Answer 26

Depress scapula

Question 27

Middle trapezius movement?

Answer 27

Retraction

Question 28

Upper and lower traps together?

Answer 28

Laterally rotate

Question 29

What’s the main movements created by levator scapula?

Answer 29

Elevation and medial rotation

Question 30

What’s the main action caused by the rhomboids major and minor

Answer 30

Retract, medially rotate

Question 31

What’s the main action created by thr latissimus dorsi

Answer 31

Adduction, medial rotation, retraction

Question 32

What muscles are responsible for elevation?

Answer 32

Upper trapezius and levator scapulae

Question 33

What muscles are responsible for depression?

Answer 33

Lower trapezius
Pectoralis minor
Latissimus Dorsi

Question 34

What muscles are responsible for protraction?

Answer 34

Serratus anterior, levator scapulae, pectoralis minor

Question 35

What muscles are responsible for retraction?

Answer 35

Middle trapezius, rhomboid major and minor, latissimus dorsi

Question 36

What muscles are responsible for lateral or upward rotation of scapula?

Answer 36

Upper trapezius, serratus anterior

Question 37

What muscles are responsible for medial or downwards rotation?

Answer 37

Rhomboids, levator scapulae, pectoralis minor