6× BW
Peak GRF on stair-set landing
<120ms
Ollie pop-to-air interval
35°+
Required ankle dorsiflexion ROM
<12%
Target pop-vs-landing asymmetry
Biomechanical Analysis
What your body
needs to excel.
Athlete Profile assesses the specific biomechanical traits that predict elite performance in Skateboarding. These aren't generic fitness metrics - they're sport-specific physiological signatures.
Ankle Plantar/Dorsiflexion ROM & Proprioception
The control surface for every trick
Every ollie, kickflip, and manual is initiated through the talocrural joint. Skaters require 35°+ dorsiflexion and 50°+ plantarflexion paired with elite proprioceptive acuity at the subtalar joint to modulate board angle mid-air. Restricted dorsiflexion forces compensatory knee valgus on landing, the dominant precursor to lateral ankle sprain - by far the most common skateboarding injury (≈40% of all reported injuries).
Ollie Pop Kinetic Chain
Hip extension → knee drive → ankle snap
The ollie is a sequenced triple-extension event: hip extends, knee drives upward, and the rear ankle snaps the tail to the ground in under 120ms. Force transfer efficiency through this proximal-to-distal chain - measured via CMJ peak power and rate of force development - directly determines pop height and the ceiling of your trick vocabulary. Elite street skaters generate 35–40 W/kg peak CMJ power, comparable to volleyball blockers.
Rotational Coordination & Vestibular Integration
Kickflips, 360s, and aerial spatial mapping
Kickflips, varial flips, and 360 spins demand simultaneous transverse-plane board rotation under the foot and whole-body angular momentum control. This relies on vestibular-proprioceptive integration - the same neural substrate that drives elite gymnastics. Vert and bowl skaters who rotate inverted (540s, McTwists) show measurably elevated vestibular tolerance, trainable via repeated exposure but constrained by individual semicircular canal sensitivity.
Eccentric Quad Loading & Bilateral Symmetry
Where 6× bodyweight gets absorbed
Stair-set and gap landings produce vertical ground reaction forces of 5–8× bodyweight per limb, absorbed almost exclusively through eccentric quadriceps and gluteal action over a 50–80ms window. Bilateral asymmetry >12% between pop foot and landing foot is the leading non-traumatic correlate of patellar tendinopathy, calcaneal stress reaction, and ACL rupture on big-set stomps. Our LAT and CMJ assessments quantify this differential directly.
What Athlete Profile Measures
Your Skateboarding
assessment report.
Discipline-Specific Power Profile
Street skaters trend higher in concentric pop power; park and bowl skaters trend higher in sustained pumping power and aerobic recovery; vert skaters trend highest in eccentric absorption and rotational tolerance. Athlete Profile maps your output to the discipline that fits your physiology.
Lower-Back Compensatory Mechanics
Repetitive asymmetric loading - same pop foot, same trick stance - combined with restricted hip rotation drives lumbar facet stress and pars interarticularis loading. Spondylolysis is increasingly diagnosed in adolescent skaters; our symmetry profile flags the kinematic chain that produces it.
Youth Distal Radius Vulnerability
FOOSH (fall on outstretched hand) accounts for 25–30% of skate injuries in athletes under 16. The distal radial physis remains open until ~16 (female) and ~18 (male), making growth-plate fracture the dominant orthopaedic risk. Profile flags maturation-adjusted load tolerance for adolescent skaters.
Concussion & Cognitive-Motor Load
Skateboarding has one of the highest helmet-uncorrected concussion rates among action sports. Our coordination composite establishes a pre-incident baseline that materially supports return-to-skate decision-making after any head impact.
Sample Skateboarding Fit Report
What you'll receive after your assessment
Sport Fit Score
6× BW
Percentile-ranked against age + sex-matched athletes
Biomechanical Grade
A–F
Per-trait scoring across all 5 assessment dimensions
Loading Patterns Observed
5 described
Sport-specific loading patterns from published cohort literature with corrective movement suggestions
Common loading patterns observed in Skateboarding
Drawn from published cohort literature for elite competitors in this sport. Descriptive only - not predictive, not diagnostic, and not specific to any individual athlete. Consult a qualified healthcare professional for any medical concern.