Shoulder, Arm, Forearm & Hand

Question 1

What are 2 the muscles that do elbow extension?

ATB

Answer 1

Anconeus and Triceps Brachii

Question 2

What are the 4 muscles that belong to rotator cuff muscles?

SITS

Answer 2

Subscapularis
Infraspinatus
Teres Minor
Supraspinatus

Question 3

What are the 9 muscles that insert on the humerus?

SITTS, LCD.

Answer 3

Supraspinatus Latissimus Dorsi
Infraspinatus Coracobrachialis
Teres Major Deltoid
Teres Minor
Subscapularis

Question 4

What are the 5 muscles that insert on the radius?

PBSBP

Answer 4

Pronator quadratus
Brachioradialis
Supinator
Biceps Brachii
Pronator Teres

Question 5

Which 2 muscles would you use to unzip the back of your dress?

Answer 5

Teres Major

Lattismus Dorsi

Question 6

Which muscle would you use to slip your arms into a jacket?

Answer 6

Deltoid

Question 7

Which 2 muscles would you use to walk with crutches?

Answer 7

Teres Major

Latissimus Dorsi

Question 8

Which muscle would you use to cradle and infant in your arms?

Answer 8

Biceps Brachii

Question 9

How to remember SITS muscles origin and insertions?

Answer 9

Supraspinatus, Infraspinatus, Subcapularis all originate from their respective fossas and insert on the greater trochanter -except for Subscapularis, which inserts on lesser trochanter.
Teres Minor originates on the upper two-thirds of the lateral border of the scapula and also inserts on the greater trochanter.

Question 10

How to remember Deltoid and Trapezius?

Answer 10

Deltoid originates from spine of scapula, acromion, and lateral one-third of the clavicle, and inserts on the deltoid tuberosity.
Trapezius inserts the same as the origin of the Deltoid, and originates at the external occipital protuberance, medial portion of the superior nuchal line of the occiput, ligamentum nuchae, and spinous processes of C7-T12.

Question 11

What are the 2 muscles that do shoulder abduction?

DS

Answer 11

Deltoid and Supraspinatus