This particular cardio-core move has become a mainstay in a wide range of modalities, from HIIT to boxing to Pilates. It involves holding a plank while jumping your legs in and out, mimicking the ...

Planks and jumping jacks are perfectly fine workout moves. But if you combine the two together, you can actually get an even better total-body workout. Meet: the plank jack! Plank jacks involve ...

Pilates pro Simone de la Rue demonstrates how to do a plank jack—aka the ultimate cardio and core-strengthening move—with proper form. A little known fact about planks: In addition to working nearly ...

‘The plank jack is a similar exercise to the press up and front plank, in that it requires loading and control of the core in a lengthened position and involves using the arms and shoulders to ...

The "Rock the Boat" plank-based challenge has been trending on fitness TikTok. I tried it, and the hardest part was plank jacks while doing push-ups. Personal trainer Luke Worthington told Insider ...

Just when you thought holding a plank couldn’t get any more difficult, TikTok has to go and create a whole plank dance challenge to take your core workout to the next level. While this trend is super ...