The barbell military press is an upper body strength exercise that targets the medial and posterior deltoids and the entire core.
The barbell trunk twist is an intermediate core strength exercise. This exercise requires a lot of upper body and core strength and should only be performed by intermediate to advanced fitness levels.
The bench press with a double leg drop is an advanced upper body exercise. This is a very challenging compound exercise that targets the chest, shoulders and abs and requires a great amount of core strength.