5d12f34d_ct_Guides___Health_and_Fitness__MUSCLE_GROUP
[WHAT IT IS?] The big muscles covering your backside. (It may feel like fat, but it’s muscle!) [WHEN DO YOU USE IT?] When you stand up from a chair, climb stairs, or walk forward. [WHICH MACHINES EXERCISE IT?] Treadmills, cross trainers, home gyms [MUSCLE GROUP] 
Gluteals or glutes
Argos Product Guides - Health and Fitness
MUSCLE GROUP