Scapular Muscles (Deltoids)

Question 1

Aside from the deltoids, there are 5 other scapular muscles, name them.
HINT:
S
I
T
S
T

Answer 1

SUPRASPINATUS
\+
INFRASPINATUS
\+
TERES MINOR
\+
SUBCAPULARIS
\+
TERES MAJOR

Question 2

The deltoid has anterior, ___________, and posterior heads.

Answer 2

MIDDLE

Question 3

The deltoid has anterior, middle, and ___________ heads.

Answer 3

POSTERIOR

Question 4

Medial attachment (anterior):
ANTERIOR LATERAL 1/3RD OF THE CLAVICLE
Medial attachment (middle):
LATERAL ACROMION
Medial attachment (posterior):
SPINE OF THE SCAPULA

Lateral attachment:
DELTOID TUBEROSITY

Actions:
- ALL - G - H ABDUCTION
- ANTERIOR HEAD -
G - H MEDIAL ROTATION
FLEXION
HORIZONTAL ADDUCTION
- POSTERIOR HEAD -
G - H LATERAL ROTATION
EXTENSION
HORIZONTAL ABDUCTION

Answer 4

DELTOID

Question 5

What is the anterior medial attachment of the deltoid?

Answer 5

ANTERIOR LATERAL 1/3RD OF THE CLAVICLE

Question 6

What is the middle medial attachment of the deltoid?

Answer 6

LATERAL ACROMION

Question 7

What is the posterior medial attachment of the deltoid?

Answer 7

SPINE OF THE SCAPULA

Question 8

What is the lateral attachment of the deltoid?

Answer 8

DELTOID TUBEROSITY

Question 9

What is the action which all deltoids perform?

Answer 9

G - H ABDUCTION

Question 10

What are the actions which the anterior head of the deltoid perform?

Answer 10

G - H MEDIAL ROTATION
FLEXION
HORIZONTAL ADDUCTION

Question 11

What are the actions which the posterior head of the deltoid perform?

Answer 11

G - H LATERAL ROTATION
EXTENSION
HORIZONTAL ABDUCTION

Question 12

what is it called where the divergence of the pectoralis major and the anterior deltoid form a triangle with the clavicle?

Answer 12

DELTOPECTORAL TRIANGLE

Question 13

CLINICAL RELEVANCE
The cephalic vein lies within the deltopectoral triangle, and this is also the easiest access point when palpating the ___________ process.

Answer 13

CORACOID