Pectoral girdle- Scapula

Question 1

Scapula has two surfaces, three borders and ____ angles

Answer 1

three

Question 2

Articulations of the scapula are on which side?

Answer 2

articulations on the distal side.

Question 3

Suspended from the vertebral column, ribs and skull by what?

Answer 3

Muscles

Question 4

With what does the scapula articulate with?

Answer 4

Humerus: Glenoid fossa/cavity
Clavicle: Acromion

Question 5

What muscle runs from the Lateral acromion and lower border of spine: (also from clavicle) to humerus (deltoid tuberosity)?

Answer 5

M. deltoid:

Question 6

The muscle deltoid is responsible of what?

Answer 6

flexion, extension, rotation, abduction of arm

Question 7

Which muscle runs from spine to Acromion (also to clavicle, superior nuchal line (lateral)) and is responsible of the elevation, adduction, depression and rotation of scapula?

Answer 7

M. trapezius:

Question 8

What are the attachment points of M. biceps Brachii?

Answer 8

From Supraglenoid tubercle and coracoid process to radius, radial tuberosity

Question 9

What does biceps brachii do?

Answer 9

supination and flexion of forearm

Question 10

Which muscle runs from the Infraglenoid tubercle : (also from humerus, posterior diaphysis) to Ulna, olecranon?

Answer 10

M. triceps brachii:

Question 11

M. triceps brachii is responsible of…

Answer 11

extension of forearm

Question 12

M. pectoralis minor runs from ribs 3-5 to where?

Answer 12

to the Coracoid process:

Question 13

M. pectoralis minor is responsible of

Answer 13

drawing scapula forward/downward

Question 14

Which muscle runs from the Subscapular fossa to humeurs, proximal?

Answer 14

M. Subscapularis

Question 15

M. Subscapularis is responsible of

Answer 15

medial rotation of arm; shoulder stabilization

Question 16

M. supraspinatus, responsible of adduction of arm, runs from _________ _________ to humerus, greater tubercle.

Answer 16

Supraspinous fossa:

Question 17

M. infraspinatus, responsible of lateral rotation and abduction of arm, runs from _____ _______ to humerus, infraspinous fossa

Answer 17

Infraspinous fossa:(rotator cuff)

Question 18

M. Teres minor and M. teres major attach to the _______ _______ of the scapula.

Answer 18

Axillary border (lateral) – dorsal surface:

Question 19

M. teres minor runs from the axillary border of scapula to the medial lip of humerus. True or false

Answer 19

False, M. teres minor runs to humerus, greater tubercle

M. teres major runs to the medial lip of interubercular groove of humerus

Question 20

M. teres major is responsible of lateral rotation, adduction and extension of arm. True or false

Answer 20

False, M. Teres major is responsible of the medial rotation, adduction and extension of arm.
M. teres minor is responsible of lateral rotation, addcution of arm and stabilisation

Question 21

M. serratus anterior runs from ribs 1-8/9 to the Vertebral/medial border-anterior- of scapula. M. serratus anterior ……

Answer 21

rotates/protracts scapula for arm flexion and abduction

Question 22

Name three muscles on the Vertebral/medial border – posterior- of scapula.

Answer 22

M. levator scapulae
M. rhomboideus minor
M. rhomboideus major

Question 23

M. levator scapulae runs from C1-4, superior posterior tubercles of transverse processes to the vertebral/medial border (posterior) Scapula and is responsible of elevation and rotation of scapula- True or false

Answer 23

True

Question 24

M. rhomboideus minor from C7/T1, at root of spine (posterior) and M. rhomboideus major from T2-5, inferior (posterior) are both responsible of
retraction, elevation, stabilization of scapula. True or false

Answer 24

True

Question 25

Supra-scapular foramen or notch is caused by what?

Answer 25

Ossification of supra-scapular ligament

Question 26

A non-metric trait Circumflex sulcus can be described as ….

Answer 26

Groove on postero-lateral border of scapula

Question 27

Separate (unfused) acromial epiphysis, Acromial facet,
Facet on inferior surface of acromion, Acromion shape
and Inferior angle shape are all non-metric traits of scapula. True or false

Answer 27

True