Muscles for Test #1 - Guess the muscle!

Question 1

Origin:
Short head: Coracoid Process
Long head: Supraglenoid tubercle of scapula

Answer 1

Biceps Brachii

Question 2

Origin:

Spinous processes C7-T5

Answer 2

Rhomboid

Question 3

Origin:

Inferior angle of the scapula, SP of T6-T12, last 3 or 4 ribs, thoracolumbar aponeurosis, and posterior iliac crest

Answer 3

Latissimus Dorsi

Question 4

Origin:
Long Head: Infraglenoid tubercle of scapula
Lateral head: posterior surface of proximal half of the humerus
Medial head: posterior surface of distal half of the humerus

Answer 4

Triceps Brachii

Question 5

Origin:

Surfaces of the first 8 or 9 ribs

Answer 5

Serratus Anterior

Question 6

Origin:

Medial clavicle, lateral sternum, cartilages of ribs 2-6, aponeurosis of external oblique muscle

Answer 6

Pectoralis Major

Question 7

Origin:

Distal half of anterior surface of humerus

Answer 7

Brachialis

Question 8

Origin:

EOP, nuchal lines, nuchal ligament, SP of T7-T12, spinous ligament

Answer 8

Trapezius

Question 9

Origin:

Inferior angle and lower 1/3 of lateral border of the scapula

Answer 9

Teres Major

Question 10

Origin:

Coracoid Process of scapula

Answer 10

Coracobrachialis

Question 11

Origin:

Lateral 1/3 of the clavicle, acromion, and scapular spine

Answer 11

Deltoid

Question 12

Origin:

Supraspinous fossa of the scapula

Answer 12

Supraspinatus

Question 13

Origin:

Lateral supracondylar ridge of humerus

Answer 13

Brachioradialis

Question 14

Origin:

TP of C1-C4

Answer 14

Levator Scapula

Question 15

Origin:

Infraspinous fossa of the scapula

Answer 15

Infraspinatus

Question 16

Origin:

External surfaces of ribs 3, 4, and 5

Answer 16

Pectoralis Minor

Question 17

Origin:

Upper 2/3s of lateral/axillary border of the scapula

Answer 17

Teres Minor

Question 18

Origin:

Subscapular fossa of the scapula

Answer 18

Subscapularis

Question 19

Insertion:

Lateral aspect of base of styloid process of the radius

Answer 19

Brachioradialis

Question 20

Insertion:

Deltoid tuberosity of the humerus

Answer 20

Deltoid

Question 21

Insertion:

Medial border of the scapula between the superior angle and the root of the scapular spine

Answer 21

Levator Scapula

Question 22

Insertion:

Coracoid process of the scapula

Answer 22

Pectoralis Minor

Question 23

Insertion:
Greater tubercle of the humerus

(more than one muscle!)

Answer 23

Supraspinatus
Infraspinatus
Teres Minor

Question 24

Insertion:

Lesser tubercle of the humerus

Answer 24

Subscapularis

Question 25

Insertion: | Crest of the lesser tubercle of the humerus (medial lip of the bicipital groove)

Answer 25

Latissimus Dorsi | Teres Major

Question 26

Insertion: | Crest of the greater tubercle of the humerus (lateral lip of the bicipital groove)

Answer 26

Pectoralis Major

Question 27

Insertion: | Medial border of the scapula from the spine to the inferior angle

Answer 27

Rhomboid Minor: medial border of scapula from spine to inferior angle Major: medial border of scapula from below the base of the spine to the inferior angle of scapula

Question 28

Insertion: | Anterior surface of the medial border of the scapula

Answer 28

Serratus Anterior

Question 29

Insertion: | Lateral Clavicle, acromion, scapular spine

Answer 29

Trapezius Upper fibers: posterior border, lateral 1/3 of clavicle Middle: medial acromion and lateral end of scapular spine Lower: root of scapular spine

Question 30

Insertion: | Tuberosity of the radius and aponeurosis of the biceps brachii

Answer 30

Biceps Brachii

Question 31

Insertion: | Olecranon process of the ulna

Answer 31

Triceps Brachii

Question 32

Insertion: | Tuberosity and coronoid process of the ulna

Answer 32

Brachialis

Question 33

Insertion: | Medial surface of mid-humeral shaft (medial border of humerus)

Answer 33

Coracobrachialis

Question 34

Which muscle is the 'swimmer's muscle'?

Answer 34

Latissimus Dorsi and Serratus Anterior

Question 35

Which muscle share an origin/insertion?

Answer 35

The deltoid and the trapezius

Question 36

Which muscle performs ALL the actions of the shoulder EXCEPT simple adduction?

Answer 36

Deltoid

Question 37

Which muscle is the strongest supinator?

Answer 37

Biceps Brachii

Question 38

Which muscle is the only muscle on the posterior arm?

Answer 38

Triceps Brachii

Question 39

Which muscle is the strongest flexor of the elbow?

Answer 39

Brachialis

Question 40

Which muscle goes through Teres Major and Teres Minor?

Answer 40

Long head of the Triceps

Question 41

Which three muscles go through the axilla from front to back?

Answer 41

Subscapularis, Latissimus Dorsi, Teres Major

Question 42

What are some muscles involved in flexion?

Answer 42

deltoid (anterior fibers), pectoralis major (upper fibers), biceps brachii, coracobrachialis

Question 43

What are some muscles involved in extension?

Answer 43

``` deltoid (posterior fibers), latissimus dorsi, teres major, infraspinatus, teres minor, pectoralis major (lower fibers), triceps brachii (long head) ```

Question 44

What are some muscles involved in horizontal abduction?

Answer 44

deltoid (posterior fibers), infraspinatus, teres minor

Question 45

What are some muscles involved in horizontal adduction?

Answer 45

``` deltoid (anterior fibers), pectoralis major (upper fibers) ```

Question 46

What are some muscles involved in abduction?

Answer 46

deltoid (all fibers), | supraspinatus

Question 47

What are some muscles involved in adduction?

Answer 47

``` latissimus dorsi, teres major, infraspinatus, teres minor, pectoralis major (all fibers), triceps brachii (long head), coracobrachialis ```

Question 48

What are some muscles involved in lateral rotation?

Answer 48

deltoid (posterior fibers), infraspinatus, teres minor

Question 49

What are some muscles involved in medial rotation?

Answer 49

``` deltoid (anterior fibers), latissimus dorsi, teres major, subscapularis, pectoralis major (all fibers) ```

Question 50

What are some muscles involved in elevation?

Answer 50

trapezius (upper fibers), rhomboid major, rhomboid minor, levator scapula

Question 51

What are some muscles involved in depression?

Answer 51

trapezius (lower fibers) serratus anterior (with origin fixed) pectoralis minor