202e55b9_Major_Muscle_Groups__Major_Muscle_Group
[Location] Front of upper chest [Functional Role] Push up from lying position, push open a door [Exercise to Strengthen] push-up, pull-up, bench press [Sample Stretch] While standing, hold both arms out at shoulder height, palms forward. Pull arms back. [Notes] The pectoralis muscles pull the shoulder and arm forward. [Major Muscle Group] 
Pectoralis
Major Muscle Groups
Major Muscle Group