MotionLab

100m Sprint

Side View4/18/2026

Skeleton
Labels
Frame-by-Frame Comparison

3 frames extracted • Click arrows to navigate

Frame 1
0.78s
Frame 2
3.89s
Overall Assessment

The athlete demonstrates good form in the initial drive phase with a well-aligned head and effective arm swing. There is room for improvement in knee drive to enhance stride power.

Recommendations
  • Increase knee drive during the acceleration phase to maximize force production and stride length.
  • Maintain consistent arm swing, ensuring elbows stay at approximately 90 degrees throughout the sprint.
  • Continue to focus on a slight forward trunk lean to maintain optimal acceleration mechanics.
Biomechanical Metrics

Comparing to Youth (U14) targets — Developmental — focus on movement quality over precise targets

Trunk lean angle

Maintain a slight forward lean for optimal acceleration.

10degrees
Youth (U14) range:2.917.1°· USATF acceleration phase

Knee drive angle

Focus on driving the knee higher for more powerful strides.

110degrees
Youth (U14) range:80.7109.3°· Elite max-velocity sprinting

Shin angle at ground contact

Good shin angle indicates effective force application.

80degrees

Arm angle

Elbows maintain a roughly 90-degree angle, indicating efficient arm swing.

90degrees
Youth (U14) range:75.7104.3°· Elbow flexion during drive

Head position

Head is in line with the spine, promoting a neutral and efficient running posture.

aligned
Youth (U14) range:-2.112.1°· Neutral cervical alignment
Recommended Drills

Targeted exercises for metrics flagged as needing attention

A-Skip Progression

beginner

Tall skip with high knee drive (thigh parallel to ground). Emphasize sharp dorsiflexion. 3×30m.

10 min· Targets: Knee drive angle

High-Knee Marches with Hold

beginner

March in place driving knee to 90°, hold 2 seconds. Builds hip flexor strength and proprioception. 3×10/leg.

8 min· Targets: Knee drive angle
View Technique Guide
Key Moments

Drive Phase

The athlete is in the initial drive phase, pushing off the ground.

Coaching Notes