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Leg Extension Standards (110 kg / 243 lb)

2. Strength Assessment & Percentile

Male Standards (110 kg)

Level KG LB Bodyweight Ratio
Beginner 91 kg (200 lb) 0.83x
Novice 108 kg (238 lb) 0.98x
Intermediate 126 kg (277 lb) 1.15x
Advanced 152 kg (334 lb) 1.38x
Elite 194 kg (428 lb) 1.76x

Female Standards (110 kg)

Level KG LB Bodyweight Ratio
Beginner 63 kg (140 lb) 0.57x
Novice 74 kg (164 lb) 0.67x
Intermediate 85 kg (189 lb) 0.77x
Advanced 102 kg (224 lb) 0.93x
Elite 127 kg (281 lb) 1.15x
Leg Extension (110 kg)Z-Score: -0.00
-3σ (Weaker)Average (0σ)+3σ (Stronger)

Understanding Leg Extension Benchmarks at 110kg

The Leg Extension is a key isolation movement targeting the Legs. Classified as a barbell lift, it serves as a cornerstone for building athletic power, raw strength, and muscular development. A machine isolation movement targeting the quadriceps through full knee extension.

At a bodyweight of 110 kg (243 lb), lifting capacities scale according to neuromuscular efficiency and muscle cross-sectional area. For male lifters at this bodyweight, the Beginner benchmark starts at 91 kg (200 lb), requiring a relative bodyweight ratio of 0.83x. To be classified as Intermediate, a male lifter must achieve a 1RM of 126 kg (277 lb) (ratio: 1.15x), while reaching the Elite standard requires a lift of 194 kg (428 lb) (ratio: 1.76x).

For female lifters weighing 110 kg (243 lb), the Beginner threshold is set at 63 kg (140 lb) (ratio: 0.57x). The Intermediate milestone is reached at a 1-Rep Max of 85 kg (189 lb) (ratio: 0.77x). For those pursuing high-level competitive targets, the Elite threshold stands at 127 kg (281 lb) (ratio: 1.15x).

These benchmarks reflect allometric scaling principles in strength sports. Relative strength (strength-to-bodyweight ratio) is naturally higher in lighter weight classes, while heavier weight classes generate higher absolute loads.

Training Tips to Improve Your Leg Extension

To progress your Leg Extension standard safely and transition from Beginner to Intermediate or Advanced, execute each repetition with strict mechanics and focus on the following guidelines:

  • Align your knees with the pivot point of the machine.
  • Extend your legs fully and squeeze your quads at the peak of the contraction.
  • Lower the weight with control, keeping your back pressed against the seat.

Methodology

Unlike crowd-sourced strength standards which rely on self-reported entries and are prone to selection and confirmation bias, the benchmarks on this site are computed using regression models fitted to official athletic performance datasets and validated exercise science studies.