GH (glenohumeral Joint) Muscle Action

Question 1

Supraspinatus performs what 2 actions?

Answer 1

GH ABduction (GHAb)
GH Stabilization (GHStab)

Question 2

Infraspinatus performs what 2 actions?

Answer 2

GH External Rotation
GH Stability

Question 3

Teres Minor performs what 3 actions?

Answer 3

GH External Rotation (GHExR)
GH ADduction (GHAD)
GH Stabilization (GHStab)

Question 4

Subscapularis performs what 2 actions?

Answer 4

GH Internal Rotation (GHInR)
GH Stability (GHStab)

Question 5

Latissimus Dorsi performs what 4 actions?

Answer 5

GH ADduction (GHAd)
GH Extension (GHE)
GH Internal Rotation (GHInR)
Scapular Depression (SDep)

Question 6

Teres Major performs what 3 actions?

Answer 6

GH ADduction (GHAd)
GH Extension (GHE)
GH Internal Rotation (GHInR)

Question 7

Biceps Brachii performs what 3 actions?

Answer 7

GH Flexion (GHF)
Elbow Flexion (ElbF)
RU Supination (RUSup)

Question 8

Coracobrachialis performs what single action?

Answer 8

GH Flexion (GHF)

Question 9

Triceps Brachii perform what 2 actions?

Answer 9

GH Extension (GHE)
Elbow Extension (ElbE)

Question 10

Anterior Deltoid performs 4 actions, what are they?

Answer 10

GH Flexion (GHF)
GH Horizontal ADduction (GHHoAd)
GH Internal Rotation (GHInR)
GH ABduction (GHAb)

Question 11

Middle Deltoid performs what single action?

Answer 11

GH ABduction (GHAb)

Question 12

Posterior Deltoid performs what 4 actions?

Answer 12

GH Extension (GHE)
GH Horizontal ABduction (GHHoAb)
GH External Rotation (GHExR)
GH ABduction (GHAb)

Question 13

Pectoralis Major (SH) performs 4 actions, what are they?

Answer 13

GH Internal Rotation (GHInR)
GH ADduction (GHAd)
GH Horizontal ADduction (GHHoAd)
Scapular Depression (SDep)

Question 14

Pectoralis Major (CH) performs what 3 actions?

Answer 14

GH Internal Rotation (GHInR)
GH Flexion (GHF)
GH Horizontal ADduction (GHHoAd)