Pectoral Region

Question 1

Name the Shoulder Girdle-Pectoral Region Joints

Answer 1

Sternoclavicular joint
Scapulothoracic joint
Glenohumeral joint
acromioclavicular joint

Question 2

Name the ligaments of the sternoclavicular joint

Answer 2

Sternoclavicular ligament
Costoclavicular ligament
Interclavicular ligament

Question 3

What sternoclavicular joint ligament is taught with elevation and retraction?

Answer 3

costoclavicular ligament

Question 4

What type of synovial joint is the sternoclavicular joint?

Answer 4

Sellar (saddle)

Question 5

What type of synovial joint is the acromioclavicular joint

Answer 5

Plane (gliding)

Question 6

What type of synovial joint is the glenohumeral joint

Answer 6

Ball and socket

Question 7

Pectoralis major attachments

Answer 7

from… clavicle, costal cartilages, sternum & aponeurosis of the external oblique
to… the lateral lip of of the intertubercular sulcus of the humerus

Question 8

Pectoralis major actions

Answer 8

humeral adduction, flexion & medial rotation
Sternocostal portion: assists with extension of the flexed arm

Question 9

Pectoralis major innervations

Answer 9

lateral & medial pectoral nerves
(clavicular head C5-7; sternocostal head C8-T1)

Question 10

Pectoralis minor attachments

Answer 10

from… outer surfaces of ribs 3-5
to… the coracoid process

Question 11

Pectoralis minor actions

Answer 11

anterior tilt of scapula; assists with depression of the shoulder & forced inspiration

Question 12

Pectoralis minor innervations

Answer 12

medial & lateral pectoral nerves
(C5-T1)

Question 13

Subclavius attachments

Answer 13

from… 1st rib & cartilage
to… undersurface of the clavicle

Question 14

Subclavius actions

Answer 14

depresses & stabilizes the clavicle

Question 15

Subclavius innervations

Answer 15

subclavian nerve
(C5-C6)

Question 16

Dermatomes