Starting Strength
Fitness & Personal Training
· Twin Falls, ID
Published in partnership with Ground Zero Strength - Twin Falls
Book online anytime
Ground Zero Strength is a private barbell coaching facility in Twin Falls founded in 2021 by SSC-certified coach Sam, specializing in systematic strength training for all ages and abilities. They offer in-person training, hybrid coaching, and online programming built around the Starting Strength method—no gimmicks, just progressive barbell work. Sam coaches everyone from 68-year-old beginners to competitive powerlifters, with a 5.0 rating across 28 reviews highlighting exceptional form coaching and life-changing strength gains.
Best for: Serious recreational lifters, adults 40+, people with structural limitations, hunters and BJJ athletes needing real-world strength, competitive powerlifters
Service area: Twin Falls, Idaho and surrounding areas (online coaching nationwide)
Starting Strength Affiliate & SSC-Certified: Sam is a Starting Strength Coach (SSC) and the gym is an official Starting Strength affiliate, meaning programming follows proven systematic methods focused on the barbell lifts with weekly form review and direct access to certified coaching.
Age-Inclusive Strength Training: Specializes in training adults 40-70+ with custom programming that meets people exactly where they are, proven by client testimonials showing zero back pain, better posture, and strength gains at any age.
No Templates, Real Customization: Each client receives a custom program built specifically for their goals and limitations, not a template—with weekly video form checks and adjustments from a real coach, not an algorithm.
“Ground Zero Strength is excellent for all ages to build strength and improve quality of life. Sam is a certified Starting Strength Coach and helped walk me through proper safe form on the major barbell lifts – squat, press, bench, deadlift, and power clean. The strength and mental toughness I've accumulated with Sam benefit many areas of my lifestyle, including being a better protector and provider for my family. Also, I now have zero back pain, better posture, and less fatigue from daily tasks like stairs. Thank you GZS and Coach Sam.”
— David Backer, Google Review
“I’ve been to every gym in Twin Falls, and this is THE BEST one around! 24hr access with really nice equipment! Sam, the owner, is awesome. Go check this place out!”
— Chandler Salisbury, Google Review
“I started with Sam in the middle of June 2023. We’ve been at it 5 months now and I have no plans to stop any time soon. Everything is better. My mood, my strength, body composition. I couldn’t be more pleased. Sam is very personable, patient, and has the ability to work very well with people’s shortcomings. I’ll admit it took me too long to get proper form on some of the lifts, yet he never made me feel inadequate, and just kept up with the minor adjustments until things were correct. I am 51 and wanted someone with some real knowledge and experience to keep me from hurting myself while getting back into the gym after ~25 years of desk work and sedentary lifestyle. In the 5 months I’ve been working with him I’ve only gotten stronger and have had no injuries. I was a skinny little guy when I started, skinny fat if you will, and my weight was under 155 lbs when I started. As of today I’m at 175 at 5’10”, not fat, and getting stronger every week. It's certainly not the cheapest option, but the value is phenomenal. I was a member of the local Y for years, but never went. With Ground Zero, I rarely, if ever, miss a day and I go 3 days a week. I should have done this a long time ago. 2+ years of training now and still happy as I could ever be and weighing about 190, and stronger than I have ever been at the age of 53.”
— Spencer Brown, Google Review
“My husband and I have worked with Sam for close to 2 years now. We started out in group training, and after moving across the country we continued having him program our training sessions. If you are wanting to get stronger then Ground Zero is where to go! Sam is very patient and taught us proper form while we continued to get stronger than either of us thought possible. If you are looking for a great, welcoming atmosphere to be pushed to be the best you can be, then you won’t find a better gym or coach. He will push you and help you stay on track to meeting your strength goals.”
— Ellen Dedmon, Google Review
“Sam at Ground Zero Strength has been coaching me since July 2022. From day 1 I felt completely comfortable in his gym, and choosing him as my coach! I am 44 years old and I wish I had met Sam sooner in my lifting life! Can't wait to see where I'm at July 2023! If your looking for a Strength coach or are nervous about starting come in to Ground Zero you will NOT be disappointed!!!”
— Heather Cristobal, Google Review
Book online: Book Online Now →
Phone: (208) 731-8089
Address: 647 Filer Ave #101, Twin Falls, ID 83301 (Get directions)
Website: groundzerostrength.com/