The Grounded Movement at Inner Space

We make space.A pioneering yoga studio in Riverdale, Bronx, with copper grounding under every mat.

Somatic yoga and Pilates, felt from the inside out. Slow, strong and everything between, seven days a week.

Get the Welcome Package See the schedule

New here? 3 classes for $50, or 2 weeks unlimited for $60.

Made by hand

The city takes up your space. We make more.

We painted the walls ourselves, built the furniture, and laid the copper grid into the floor.

Every class is taught with clarity and warmth.

From our community

Best of the Bronx, in their words.

Reviews from Google5.0★★★★★140 reviews

"Inner Space Yoga has been truly life-changing for me… The instructors are incredibly knowledgeable, patient, and supportive, and they create an environment where everyone feels comfortable, regardless of experience level. Every class is both challenging and restorative, and I always leave feeling better than when I arrived."

LLauren T.Google review

"A gem of a yoga studio! Ben is incredibly knowledgeable, kind, and attentive to each student's needs no matter their level of expertise. I often bring my parents to the Yin class and Ben makes sure they feel comfortable and supported — they really enjoy it."

DDonna F.Google review

"Inner Space Yoga is a hidden gem in Riverdale. I've gotten stronger and become more meditative in my practice, and I love that I've gained a yoga community."

KKyira H.Google review

"I haven't attended yoga classes at a studio in a while because I'm very picky about content… If I'm going to go to a studio it has to be worthwhile. Inner Space Yoga is that studio. Ben has a lot of knowledge and there are a lot of variety in classes."

EEmily H.Google review

Read all reviews on Google

The grid

There's a difference between a space that feels grounding and one that's actually grounded.

The Inner Space studio with three rows of grounding mats, 18 in all, on the copper grid — Three rows, 18 grounded mats

We built the real thing into the floor, so your body connects with the earth for the whole class.

Three rows of copper strips run across the top of the bamboo floor, six mats to a row, 18 in all, wired to a grounded outlet. Double-sided grounding mats rest right on top.

Every class here is somatic at heart — less about how a pose looks, more about how it feels from the inside.

Why it matters: Concrete, rubber soles, and long hours indoors keep us cut off from the earth. Early research on grounding suggests that reconnecting this way may ease inflammation, support deeper sleep, and help your body unwind. We've felt it ourselves, and we think you will too.

What it feels like

Within minutes, your nervous system settles. By the end, you feel awake in every limb.

Steady energyA clear headA quiet body

Inside the studio

Room to breathe, made by hand, and connected to the earth.

A yoga class practicing on the copper grounding grid at Inner Space in Riverdale, Bronx

Bare feet on grounding mats over the copper grid

Students resting with eye pillows in Restorative and Sound Bath

A crystal singing bowl played during Restorative and Sound Bath

Deborah Sabalusky and Ben Alpern, co-owners of Inner Space

Ben and Deborah, your co-owners at The Grounded Movement at Inner Space

Your first visit

Three Steps.

The Welcome Package · for new students

3 classes

$50

Any three, used within 21 days.

Good if you’ll come about once a week.

Start with 3 classes

2 weeks unlimited

$60

Come as often as you like.

Good for trying every style on the schedule.

Start 2 weeks unlimited

New students only. Classes run seven days a week on our copper grounding grid, with no more than 18 mats in the room, and there’s free parking behind the shopping center.

1
Choose your Welcome Package
Pick 3 classes or 2 weeks unlimited, then book online.
2
Pick a class
Choose a time on the schedule and save your mat on the grid.
3
Arrive ten minutes early
We’ll show you the grid and set you up. Bring water and wear something comfortable.

Already practicing with us? If you're building a routine of three or more classes a week, Monthly Unlimited is $250: come as often as you like, with every Self Mastery Workshop and two new guest passes each month included. See memberships →

See the Schedule

Who you’ll practice with

Meet Your Teachers.

Longtime yogis, dancers, and Reiki and Ayurveda practitioners who meet you where you are.

Ben Alpern

Co-owner · Reiki · QHHT · Yoga · Coaching

“My classes are built to calm your nervous system, ease tension in the body, and help you feel more alive.”

Deborah Sabalusky

Co-owner · Meditation · Yoga

“My approach to meditation uses continuous body grounding cues to help still the mind.”

Kendra Jackson

Yoga · Ayurveda

“Beginners hold a special place in my heart.”

Harold Hidalgo

Hatha Yoga

“I guide people toward balance and renewal in a world that rarely slows down.”

Deb Serri

Vinyasa

“I believe that yoga is for any body, and my teaching offers modifications for all levels, preferences, and injuries.”

Jocelyn Jeffries

Yoga Sculpt

“My goal is to make yoga accessible to everyone, meeting students where they are.”

Shawna Emerick

Vinyasa · Thai Massage · Reiki

“I’m a trauma informed yoga instructor and teacher trainer with more than 21 years of teaching.”

Annmaria Mazzini

Dance

“I’m a NYC dancer, teaching artist, and choreographer, and a former member of the Paul Taylor Dance Company.”

Meet All Our Teachers

Our classes

Claim Your Mat on the Grid

A slow, deeply restorative practice on one end, a strong, sweat-building flow on the other, and everything in between. The pace changes. The ground underneath you doesn't.

Build a routine that balances you. The schedule is made for three or more visits a week, mixing a sweaty day with a quiet one. Some students stack two back to back.

Looking for something gentle? Classes marked low-impact are easy on the joints and simple to adjust to your body. Read more in our FAQ.

Low-impact