5d12f34d_ct_Guides___Health_and_Fitness__MUSCLE_GROUP
[WHAT IT IS?] On the upper and middle parts of the back, between your shoulders [WHEN DO YOU USE IT?] Pulling at a door or standing up straight [WHICH MACHINES EXERCISE IT?] Home gyms [MUSCLE GROUP] 
Rhomboids and Latissimus Dorsi
Argos Product Guides - Health and Fitness
MUSCLE GROUP