Mixed martial arts · United States · 2010–2016
Ronda Rousey
UFC bantamweight champion; Olympic judo bronze
The first American woman to medal in Olympic judo, then the fighter who built women's MMA into a main event.
The blind analysis put "Road cycling (climbing specialist)" first. Ronda Rousey became a legend in mixed martial arts anyway — bodies are a starting point, not a destiny.
BODY MEASUREMENTS
| Measurement | Value | Source |
|---|---|---|
| Height | 168 cm | UFC athlete profile |
| Weight | 61 kg | UFC athlete profile |
| Wingspan | 173 cm | UFC (68 in reach) |
| Leg Length, Inseam | 78 cm | Est.1 |
| Torso Length | 58 cm | Est.2 |
| Shoulder Width | 41 cm | Est.3 |
| Hip Width | 39 cm | Est.4 |
| Hand Size | 17 cm | Est.5 |
| Foot Size | 25.5 cm | Est.6 |
- 0.466×height
- height − legLength − 0.19×height (head/neck)
- 0.245×height
- 0.233×height
- 0.104×height (published NBA/NFL 'hand size' is span, not length, so the ratio is used)
- 0.152×height (no reliably published shoe size)
WHAT THE AI SAW
Build type
RUNNER'S BUILD
- •Positive ape index: +5 cm (wingspan/height ≈ 1.03)
- •Long legs relative to torso (leg:torso ≈ 1.34; inseam ≈ 46% of height)
- •Narrow shoulder-to-hip ratio (~1.05), streamlined upper body
- •Lean BMI (21.6), favorable for endurance economy
THE AI'S SPORT RANKINGS
Road cycling (climbing specialist)
Small, lean build with long legs and narrow shoulders is ideal for high power-to-weight on climbs and reduced aerodynamic drag on flats. Shorter torso is not a liability when the emphasis is sustained uphill power rather than extreme aero. Body mass aligns with successful WorldTour climbers.
Distance running (5k–10k; also strong potential for mountain/trail)
Long legs, light mass, narrow pelvis/shoulders, and moderate ape index support efficient stride mechanics and economy over middle-to-long distances. Slightly higher-than-marathon-elite BMI is still well-suited for track 5k–10k and especially for undulating trail where absolute leanness is less critical.
Boxing (featherweight to lightweight)
Positive ape index grants reach relative to height for range control. Light frame supports speed and endurance. Narrow shoulders may limit maximal punching power, but quick footwork and cardio are well-supported by this build.
Sport climbing (lead/bouldering)
Lean mass and positive ape index aid reach and body tension. Long legs are useful for high-steps and stemming; smaller hands may slightly limit slopers, and narrow shoulders mean less raw pulling power versus top boulderers, but overall morphology is favorable, especially for technical lead.
Race walking (20 km)
Long legs, light body mass, and narrow hips favor long, efficient strides with high cadence under the race-walk rule set. This build supports economy and speed over long distances.
BIOMECHANICAL READ
- 1High power-to-weight potential: 61 kg at 168 cm favors climbing (on bike and on foot) and endurance events.
- 2Long legs with shorter torso: promotes efficient stride length, long lunge mechanics, and effective cycling leverage uphill.
- 3Positive ape index: helpful reach for striking range control, grappling guards, and clipping/reaching holds in climbing.
- 4Streamlined upper body (narrow shoulders/hips): lowers aerodynamic drag in cycling and may improve running economy.
- 5Smaller extremities reduce distal mass: beneficial for cadence-heavy sports (running, cycling) and quick limb repositioning.
- 6Balanced, lightweight frame supports agility, footwork, and repeated high-intensity efforts.
LESS ADVANTAGEOUS IN
- •Basketball and volleyball (height/reach limitations)
- •Rowing (shorter stature and shorter torso reduce stroke length/leverage)
- •Swimming sprints/IM (shorter height, smaller hands/feet, narrower shoulders)
- •Throws (shot/discus/hammer/javelin) due to limited mass and shoulder breadth
- •Hurdles/high jump/pole vault (height/limb length not optimal for elite levels)
- •Heavyweight strength sports (weightlifting/powerlifting/strongman) due to leverages and mass constraints
- •American football or rugby forward positions (size and mass limitations)
METHODOLOGY
The AI analysis above was generated from the nine measurements listed — nothing else. The model never saw Ronda Rousey's name, photo, or sport; it received the same anonymous input as any visitor who uses the tool. The verdict compares its blind rankings with reality.
Measurements marked Est. are not publicly documented and were estimated from published data using the noted anthropometric ratios.
This page is editorial commentary. My Best Sport is not affiliated with or endorsed by Ronda Rousey.
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