Gluteus Medius
The pectoralis major, teres major, lastissimus dorsi, and the carica adduct and medially, or internally, rotate the humerus.
pectoralis major and latissimus dorsi
The Adductor group
If you are studying A&P using the Marieb & Mitchell 10th Ed the answer you are looking for is: Extensor carpi radialis longus (d) (found on page 216 in the Lab Manual) Extensor Carpi Ulnaris...
How to do Side-Lying Abduction Adduction
How to Do Pilates Side Leg Lift with a Ring Exercise