Jacks + side punch

How to do it

1. Set upFeet together, fists at your chest.
2. MoveJump out and punch one fist straight out to the side, jump in and bring it back to your chest. Alternate arms on each jack.
3. Watch forLocking your elbows hard on every punch. Punch fast, but stop just short of a full lockout.

Easier or harder

Easier

Step out instead of jumping.

Harder

Jumping jacks: arms all the way overhead.

What it works

Muscles

Cardio, Quads, Upper body

Position

Standing

Intensity

Moderate Medium

Impact

Jumping

Swap it for

• Punch up jacks
• Chest opener jacks
• Butt kicks
• Standing jacks (low impact)
• Jumping jacks
• Seal jacks