Best Home Gym Gear
H-Squat

Hammer Strength

H-Squat

The H-Squat, nicknamed the “Legasaurus,” is an ultra-rare ground-based leg machine built by Hammer Strength in the mid-1990s. Instead of a fixed cam or a sled pressing straight into a footplate like a traditional leg press, it uses a moving platform-and-sled design with a spring-and-band-assisted return – according to one owner’s account, a cam capable of the same resistance curve would have needed a pit 10-15 feet deep, so the moving-sled approach was the practical engineering solution. The payoff is a huge, natural range of motion with none of the ab/chest compression that comes with a standard leg press at the bottom of the stroke, and foot placement (lower vs. higher on the platform) tunes how much knee extension and lockout you get, which owners have used for post-surgical knee rehab as well as heavy squat- accessory volume. Only a few hundred were ever built and each is individually serial-numbered; Hammer Strength stopped producing it decades ago, so it is not available new from any manufacturer or retailer today and surfaces only through rare private/collector sales.

Buying guide

Best GHD for a Home Gym — July 2026
Era Built by Hammer Strength beginning in the mid-1990s
Height Over 10 feet tall
Loading Plate-loaded (standard Olympic plates)
Mechanism Moving sled/platform (not a fixed cam) with spring-and-band-assisted return
Availability Long discontinued -- no longer sold new by any manufacturer or retailer; found only through rare private/collector sales
Foot placement Adjustable low/high foot position tunes knee extension and lockout
Production run Rumored at roughly 400 units, each individually serial-numbered

What is a Machine?

What a strength machine is

A strength machine guides the resistance along a fixed path so you can train a movement safely, often without a spotter. The main types: selectorized (pick weight with a pin), plate-loaded (add your own plates for a heavier ceiling and better feel), and functional trainers / cable machines (adjustable pulleys for dozens of exercises).

Machines vs. free weights

Machines shine for isolation, safety, and high-rep hypertrophy, and for training hard alone. Free weights build more stabilizer strength and carry over better to sport. Most well-rounded home gyms use a rack and barbell as the core and add one machine — often a cable/functional trainer or a lat-pulldown/row — to fill the gaps.

The sub-types worth knowing

“Machines” covers several categories that barely compete with each other: GHDs for hamstring and posterior-chain work, belt squats for loading the legs without the bar on your back, leg press / hack squat combos for heavy quad volume, reverse hypers for posterior-chain work and lower-back decompression, cable towers and functional trainers for pulling movements, and row machines. Pick the one that fills a gap in what your rack and barbell already do. Almost nobody needs two.

Space and standalone vs. rack-mounted

Most of these come in a standalone version and a cheaper rack-attachment version. The attachment saves floor space and money, but often gives up stability or range of motion — a tradeoff worth checking on the specific product rather than assuming, since it varies a lot between designs.

A note on ratings

Machine listings frequently show a manufacturer’s own on-site rating, which runs high (4.7–5.0 is typical) and sometimes pools reviews across a whole product family rather than the exact configuration you’re buying. Where we have independent hands-on coverage, our summaries anchor to that instead, and say so on the product page.

How it compares

H-Squat Adjustable Seated Preacher Curl Bench Leg Extension & Hamstring Curl Machine kBox Platform
GymRadar rating 3.55/5 3.55/5 3.46/5 3.44/5
Price $269.00 $609.97 $1,790.00
Era Built by Hammer Strength beginning in the mid-1990s
Height Over 10 feet tall
Loading Plate-loaded (standard Olympic plates)
Mechanism Moving sled/platform (not a fixed cam) with spring-and-band-assisted return
Availability Long discontinued -- no longer sold new by any manufacturer or retailer; found only through rare private/collector sales
Foot placement Adjustable low/high foot position tunes knee extension and lockout
Production run Rumored at roughly 400 units, each individually serial-numbered

3.6/5 · 6 GymRadar reviews

Reviews by source

Expert 3.55/5 6 reviews
Youtube 4.5/5 2 reviews

The H-Squat (“Legasaurus”) is a cult-classic ground-based leg machine from Hammer Strength’s earliest days, and everyone who has actually trained on one – including its original 1996 owner, still using it decades later – describes a uniquely huge range of motion with none of the ab/chest crush of a standard leg press. Functionality is the clear standout dimension: pressing the floor away rather than a fixed footplate, with tunable foot placement for more or less knee lockout. Versatility is by far its weakest dimension: at over 10 feet tall, long discontinued, and now trading privately for $9,000-$10,000+ against an original ~$4,000 price tag, it’s a machine almost no home gym could fit or buy rather than a realistic training option.

  • +Functionality: ground-based sled design eliminates the ab/chest compression of a traditional leg press, with a huge range of motion (Donnie Thompson interview, Massenomics)
  • +Functionality: adjustable foot placement dials in more or less knee extension/lockout, useful for post-surgical knee rehab work (Massenomics)
  • +Build quality: the moving-sled-and-spring/band design was a deliberate engineering workaround -- a cam-based version would reportedly have needed a 10-15 foot pit (Massenomics interview)
  • +Durability: the original owner's 1996 unit was still in regular use three decades later (Massenomics interview)
  • Versatility: at over 10 feet tall, it's impractical for essentially any home gym (Oldtime Strongman Blog)
  • Value: scarcity has pushed used prices to $9,000-$10,000+ for a machine that sold new for about $4,000 in 1996 (Massenomics interview)
  • Durability: only ~400 were ever built and it's been out of production for decades, so no parts or manufacturer support exists (Massenomics interview)
  • Functionality: first-time users find the setup and body positioning awkward and disorienting, and being the tallest thing in the gym draws unwanted attention (YouTube: Basement Brandon)

Similar Equipment

Plate-Loaded Vice Grip Trainer

Titan Fitness

Plate-Loaded Vice Grip Trainer

4.8/5 · 4 GymRadar reviews

The Vice Grip Trainer earns its keep as a genuinely versatile forearm tool — dual grip modes (a t...

$149.99

Buy Now