The Claim

Among young women performing calf raise exercises to muscular failure, straight-leg calf raises result in significantly greater increases in gastrocnemius lateral (GL) muscle thickness compared to bent-leg calf raises (14.5% vs 7.0%, p<0.001).

Source: Muscle Swelling of the Triceps Surae in Response to Straight-Leg and Bent-Leg Calf Raise Exercises in Young Women

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
42score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Quantitative
1 study reviewed
In plain English

When young women do calf raises until they can't do any more, doing them with straight legs makes the outer calf muscle grow about twice as much as doing them with bent knees.

See the scientific wording

In young women performing calf raise exercises to muscular failure, straight-leg calf raises produce significantly greater increases in gastrocnemius lateral (GL) muscle thickness compared to bent-leg calf raises (+14.5% vs +7.0%, p<0.001)

What the research says

1 study

  1. Study: Muscle Swelling of the Triceps Surae in Response to Straight-Leg and Bent-Leg Calf Raise Exercises in Young Women

    The study tested exactly what the claim says - comparing straight-leg vs bent-leg calf raises in young women. It found the same results the claim reports: straight-leg raises increased lateral gastrocnemius muscle thickness by 14.5% vs 7.0% for bent-leg raises.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

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