Essential Strength Leg Extension/Seated Calf
Style # ES-55A11YR
Commercial-Grade Frame Construction:
Main frame: 4.65″ × 2.95″ × 0.12″ semi-elliptical steel tubing
Functional area: 4.72″ × 1.97″ × 0.12″ flat oval tubing
Movement arms: 3.15″ × 1.57″ × 0.12″ steel tubing
Joint sections: 3.94″ × 1.97″ × 0.12″ flat oval tubing
All structural components utilize high-quality Q235 steel
Smooth & Durable Performance:
High-strength cable system rated for up to 3,080 lbs ensures long-term durability
and consistent resistance
Precision-engineered movement system provides smooth leg press and calf
raise motion paths for optimal muscle engagement
Full Shroud Design:
Durable full shrouds constructed from 0.16″ thick virgin ABS for enhanced safety
and a clean, modern appearance
Comfort-Driven Components:
High-resilience MC foam padding delivers long-lasting comfort and support
Upholstered with premium-grade PU leather for durability and easy maintenance
User-Focused Design:
Dual-function configuration allows seamless transition between leg press and
calf raise exercises
Designed to support proper alignment and stable foot positioning throughout
movement
•Net Weight: 613lbs
•Gross Weight: 710lbs
•Footprint (L × W × H): 63.4″ × 39.0″ × 63.8″
•Weight Stack: 220lbs
The Leg Extension/Seated Calf embodies the core principles of the Essential Strength
Line—durability, smooth performance, and intuitive movement. This dual function unit is designed to effectively target the quadriceps, hamstrings, glutes, and calves, providing a complete lower body training solution in one efficient machine.
Engineered for full-commercial environments, this machine delivers smooth, controlled resistance through both pressing and calf raise movements. Its ergonomic design supports proper biomechanics, allowing users to train safely and effectively across all fitness levels
“ProMaxima has provided top-quality equipment for our weight room, along with outstanding installation and service. Their equipment is comparable to or exceeds the quality of more expensive products, and the service has been exceptional.”
“From day 1 our student athletes have benefited from PMX Equipment – we are seeing results on the field and on the courts.”
“PMX strength equipment has set our department up for success because of how durable, flexible, and adjustable it is depending on what season and athletes we need to train.”
