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30-Minute No-Equipment Cardio and Core Workout With Massy Arias

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A celebrity trainer proves you don’t need a single dumbbell to torch your core.

Massy Arias built her name coaching clients without a gym membership, and this PS Fit session is the clearest proof of why. The Los Angeles-based trainer, health coach, and Adidas athlete leads a 30-minute cardio and core routine that uses nothing but bodyweight, designed to spike the heart rate while hammering the abs and core stabilizers. It’s the kind of follow-along session built for people who train on the road, in a hotel room, or in a living room with zero equipment.

• Massy Arias, formerly known online as Mankofit and the creator of the MA Warrior fitness programs, leads the 30-minute session for PopSugar’s PS Fit channel.
• The workout opens with a dynamic warm-up — high knees, jumping jacks, and butt kicks — before moving into fast-paced bodyweight circuits.
• The routine pairs cardio intervals with targeted core work, including plank variations, lateral movements, and rotational core exercises.

The Professional Journey of Massy Arias

Arias has spent years cultivating one of fitness’s more recognizable Instagram followings by preaching exactly this kind of training: hard, fast, and equipment-free. Long before she carried the Mankofit handle into mainstream visibility, she was already positioning herself as proof that a home workout can rival anything done on a gym floor. Her MA Warrior programs built on that same premise — bodyweight-first, intensity over machinery — and this PS Fit session is a distilled, 30-minute version of that philosophy aimed squarely at anyone without access to a squat rack.

Inside the 30-Minute Circuit

After the warm-up sequence of high knees, jumping jacks, and butt kicks gets blood moving, Arias transitions the session into rapid-fire bodyweight circuits. Each block blends a cardiovascular movement with a core-focused one, so the heart rate stays elevated even during exercises that are technically targeting the midsection. That pairing is the backbone of the routine: sprint-style intervals feeding directly into plank variations, lateral shifts, and rotational core work rather than isolated ab sets performed at rest.

The exercises follow a familiar interval cadence — work periods followed by brief rest — which keeps the session moving without ever letting the intensity drop for long. Readers looking to build on this style of training at home can find a similar interval structure in 10 HIIT Exercises to Lose Belly Fat FASTER, which leans on the same cardio-to-core pairing Arias uses throughout this routine.

No equipment, no gym, just 30 minutes of high-energy bodyweight work built to raise the heart rate and hit the core at the same time.

Essential Roles of Core Stabilizers

The back half of the session leans hard into rotational and lateral core movements — the kind of work that trains the obliques and deep stabilizers rather than just the surface abdominal muscles most people chase. That’s a deliberate choice. Plank variations and lateral shifts force the core to control the body through multiple planes of motion, which carries over into everything from running mechanics to basic posture. For anyone stacking this routine onto an existing home program, it slots in well alongside quick bodyweight finishers like the one covered in INSANE 7 MINUTE AT HOME WORKOUT.

Built for the On-the-Go Athlete

The entire session is framed around portability — no bands, no dumbbells, no bench. That makes it as usable in a hotel room or a hallway as it is in a fully equipped gym, which is exactly the audience Arias built her following on. It’s a short, sweat-inducing block that fits into a lunch break or a travel day without sacrificing intensity.

Arias has built an entire coaching identity around sessions like this one — short, no-excuses, and engineered to leave you out of breath by the final rep. This one runs 30 minutes start to finish, and by the time the last plank variation wraps up, there’s no equipment to put away.