Uppercut

The uppercut is a curved punch delivered in an upward motion to the opponents head or body. The strike can be thrown with the lead or rear arm.

Adrien Broner

Jab->Cross to the Body->Lead Hook->Rear Round Kick

Jab->Cross->Lead Body Hook/Uppercut->Rear Low Round Kick

Cross

The rear straight punch is commonly referred to as the cross. It is generally more powerful than the jab due to the rotation of the hips in conjunction with the foot pushing off the floor but is slower than the jab due to the greater distance between your rear hand and your opponent.