chapter 9 & 10

Question 1

This connects the acromion process to the lateral clavicle

Answer 1

Acroniclavicular (AC) joint

Question 2

O=axillary border of scapula near inferior angle
I=crest below lesser tubercle next to latissimus dorsi attachment
A=shoulder extension, adduction, & ir

Answer 2

Teres major

Question 3

O=spinous processe (c7-t5)
I=vertebral border between spine & inferior angle
A=scapukar retraction, elevation, & downward rotation

Answer 3

Rhomboid muscles

Question 4

O=spinous process t7-l5 (via dorsolumbar fascia),
Posterior surface of sacrum, iliac crest &
Lower three ribs
I=medial lip of bicipital groove of humerus
A=shoulder extension, adductio , ir, & hyper extend

Answer 4

Latissimus dorsi

Question 5

The first 30 degrees of joint is pure glenohumeral motion but after that for every 2 degrees of motion the scapula upwardly rotates 1 degree

Answer 5

Scapulohumeral rhythm

Question 6

These allow elevation/depression, protraction/retraction, & upward/downward rotation

Answer 6

Sternoclavicular (SC) joints & acrominoclavicular joints

Question 7

O=lateral surface of ribs 1-8
I=underneath scapula on vertebral border
A=scapular rotation & upward rotation

Answer 7

Serratus anterior

Question 8

What is the insertion for the deltiod which is about 1/4 of thw way down the humerus?

Answer 8

Deltoid tuberosity

Question 9

The large diamond shaped muscle which originates on the spine & has 3 subdivisions

Answer 9

Trapezius

Question 10

The insertion of the subscapularis

Answer 10

Lesser tubercle

Question 11

The insertion for the supraspinatus, infrapinatus, & teres minor

Answer 11

Greater tubercle

Question 12

What is comprised of the shoukder girlde & joint

Answer 12

Shoulder complex

Question 13

O=axillary border of scapula
I=greater tubercle of humerus
A=shoulder er, horizontal abduction

Answer 13

Teres minor

Question 14

1. Superior angle. 5. Spine
2. Inferior angle. 6. Acromion process
3. Vertebral border. 7. Glenoid fossa
4. Axillary border. 8. Coracoid process

Answer 14

Landmarks of the scapula

Question 15

The distal attachment

Answer 15

Insertion

Question 16

Comprised of the scapula & clavicle

Answer 16

Shoulder girlde

Question 17

Comprised of the scapula & humerus

Answer 17

Shoulder joint

Question 18

O=infrapinatus fossa of scapula
I=greater tubercle of humerus
A=shoulder er, horizontal abduction

Answer 18

Infrapinatus

Question 19

A thin walled, spacious container, that attaches around the rim of the glenoid fossa of the scapula & anatomical neck of the humerus

Answer 19

Joint capsule

Question 20

The fibrous tissue surrounding the glenoid fossa which deepens the articular cavity for the humerus

Answer 20

Glenoid labrum

Question 21

Ac joint, sc joint, glenohumeral joint, scapulothoracic joint, & intercostal joint

Answer 21

The joints that make up the shoulder complex

Question 22

What is the only direct attachment to the trunk

Answer 22

Sternoclavicular (sc) joint

Question 23

O=spinous processes of middle/lower thoracic
Vertebrae
I=base of scapular spine
A=1 degree scapular depression, upward roation

Answer 23

Lower trapezius

Question 24

O=anterior surface of ribs 3-5
I=coracoid process of scapula
A=scapular depression, protraction, downwrd rotate

Answer 24

Pectoralis minor

Question 25

O=clavicular part-medial 1/3 clavicle Sternal part- sternum, costal cartilage ribs 1-6 I=lateral lip bicipital groove A=clavicle part-shoulder flexion ~90 degrees Sternal part-shoulder extend ~90 degrees Together-shoulder adduction, mr, horizontal Adduction

Answer 25

Pectoralis major

Question 26

Insertion site for the latissimus dorsi, teres major, & pectoralis major

Answer 26

Bicipital groove

Question 27

O=occipital bone & nuchal ligament I=outer 3rd of clavicle & acromion process A=1 degree scapular elevation, upward rotation

Answer 27

Upper trapezius

Question 28

O=tranverse processes c1-c4 I=vertebral border between superior angle & spine A=scapular elevation & downward roation

Answer 28

Levator scaplua

Question 29

O=spinous process c7-t3 I=scapular spine A=scapular retraction

Answer 29

Middle trapezius

Question 30

What is the proximal attachment

Answer 30

Origin

Question 31

This attaches indirectly to the ribcage. Located between the 2nd and 7th rib

Answer 31

Scapula

Question 32

Occurs only when muscle crosses a joint

Answer 32

Motion

Question 33

Shallow egg-shaped hole for the humeral head

Answer 33

Glenoid fossa

Question 34

``` O=anterior-lateral 1/3 of clavicle Middle-acromion process Posterior-spine of scapula I=deltoid tuberosity A=anterior-flex,mr,horizontal abd/add Middle-abd Posterior-extend,lr,horizontal abd/add ```

Answer 34

Deltoid

Question 35

O=subscapular fossa I=lesser tubercle if humerus A=shoulder ir

Answer 35

Subscapularis

Question 36

Made up of the scapula & humerus

Answer 36

Glenohumeral joint

Question 37

O=coracoid process of scapula I=medial surface of humerus A=shoulder joint stabilization

Answer 37

Coracobrachialis

Question 38

The inferior angle is the point of reference for rotation

Answer 38

Scapular rotation

Question 39

O=supraspinous fossa of the scapula I=greater tuberosity of humerus A=shoulder abduction

Answer 39

Supraspinatus

Question 40

A tendinous band made by the insertion of supraspinatus, infraspinatus, teres minor, subscapularis

Answer 40

Rotator cuff