The major muscle involved in the incline bench press is the clavicular head of the pectoral muscles, which is the upper section of the major muscle in your chest. It originates at your sternum and then runs across your chest and out toward each of your shoulders where it inserts at the t...
Muscles Worked By the Incline Bench Press The incline bench press is not a single-joint isolation movement, so it will work all the pressing muscles of the upper body. As such, it is one of the best ways to develop these essential muscles for both beginners and experienced lifters. Credit...