Jacksonville, FL · Inside Iron House Gym

Personal training + nutrition coaching in Jacksonville

I'm Amber, a strength coach with an MS in Exercise Science and 8+ years of coaching. I help adults get stronger, work through nagging aches, and finally reach their goals with one plan built around them. In person in Jacksonville or online.

★★★★★5.0 on Google · Read my reviews

Amber Shields, smiling with her arms crossed inside the gym
The method

A complete system for getting stronger, moving better, and reaching your goals

Working hard is rarely the problem. Most people get stuck because a piece is missing: nobody taught them proper form, an old ache keeps flaring up, or their eating doesn't match their training.

Foundational Strength Integration (FSI) covers all of it in one plan. I coach your form, work through aches and injuries instead of around them, improve your mobility, and set up nutrition to match your goals.

Whether you're brand new to the gym or have been training for years, your plan starts where you are.

The result? You get stronger, move better, and keep making progress.

A client deadlifting while the coach supports her from behind

Who it's for

Who is this for?

Beginners who want to learn to lift the right way from day one

Gym-goers who've hit a plateau and can't figure out why

Anyone whose workouts keep getting derailed by knee, back, hip, or shoulder pain

People who want to lose fat, build muscle, or get stronger, with nutrition that matches their training

People who've finished physical therapy and are ready to get back to real training

A client standing in the gym holding a loaded barbell
Sound familiar?

Common problems I help solve

Your knee hurts when you squat

Your lower back tightens up during deadlifts or after training

Your shoulder doesn't feel right when you press or reach overhead

You're not sure your form is right, and no one has ever really taught you

You've been working hard, but your strength or body composition isn't changing

You keep starting over

Most of these come from the same few gaps: movement that's never been coached, pain that's been worked around instead of addressed, mobility that limits your positions, or nutrition that doesn't match your goals.

The FSI method closes all of them at once, so you can train with confidence and keep making progress.

See how I help with aches and injuries

Client reviews · 5.0 on Google

Real clients, real results

Dana C. before and after photos
★★★★★
“Amber is such an amazing trainer. She teaches you not only how to take care of your body, but how to overcome the mental challenges. She makes sure you celebrate every win no matter how small. I went from a size 26 to a size 10 and have consistently keep my weight under control for the first time in my life. If you are looking for a trainer who pushes you to be your best, Amber is your girl!”
Dana C. · Google review
★★★★★
“I am lifting heavier and feeling stronger. I just had my bone mineral density retested and my T scores doubled.”
Meredith K. · Google review
★★★★★
“I am a 57 year old woman who lacked the knowledge to weight train properly without causing injury… I feel stronger, act stronger and am stronger because of Amber.”
Sandra P. · Google review
★★★★★
“She is extremely knowledgeable about body mechanics and designed a tailored program that helped me improve my posture and get stronger. My Chiropractor even commented that he noticed the difference.”
Wendy M. · Google review
Not ready to book yet?

Get the free guide: The Missing Piece

The foundation most programs skip, plus a 4-week starter plan for real strength. Any age, any starting point.

Send me the guide
How it works

How it works

01

Assess & plan

I look at how you move, what's bothering you, how you eat, and what you want. You leave with a plan built around your body and your goals.

02

Learn & build

I coach the fundamentals (squat, hinge, lunge, push, pull, and carry) until your form is solid, then add load progressively. Aches get addressed along the way, your mobility improves, and your nutrition is dialed in to match.

03

Progress & own

You get stronger, move better, and see results you can measure. You also learn the why behind every choice, so you can keep progressing long after our work together.

General questions

General questions

01Who do you work with?

Adults who want to get stronger, lose fat, build muscle, or move better, from total beginners to experienced athletes. Many of my clients are busy professionals, people coming from yoga or Pilates, and active adults in their 40s, 50s, and beyond.

02Do I need training experience?

No. Beginners are welcome. Learning proper form from the start is one of the best things you can do for your results and your joints.

03I'm out of shape and have a lot of weight to lose. Is this for me?

Absolutely. I meet you exactly where you are, scale every exercise to what your body can do today, and build from there. Early wins come quickly, and they add up.

04Do I need to be in pain to work with you?

Not at all. Most clients come to get stronger, lose fat, or move better. Aches and injuries are something I handle well, but they're not a requirement.

05What happens at the free consult?

We talk through your goals, what's been holding you back, and what you've tried before. You'll find out how the FSI method would work for you, with no pressure to sign up.

06Where are you located?

Sessions take place at Iron House Gym, a full 18,000-square-foot training facility at 9244 Arlington Expressway, Jacksonville, FL 32225, convenient to Arlington, Regency, Fort Caroline, and the Southside.

See all questions

Start with a free consult

Start with a free consult

Every successful training plan starts with a clear understanding of where you are and where you want to go.

New here?

Start with 2 weeks for $250: your movement assessment plus 4 one-on-one sessions. Start your 2 weeks

Talk through your goals: fat loss, strength, muscle, moving better, or all of it

Pinpoint what's been holding you back

See how training, mobility, and nutrition fit together for you

Find out if the FSI method is the right fit

No pressure. Just a clear picture of what it will take to reach your goals.

Where I coach: Private sessions inside Iron House Gym on Arlington Expressway, serving Arlington, Regency, Southside, Riverside, and greater Jacksonville. Online coaching is available through EverClimb Fitness, the coaching team I'm part of.