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SPRT 1017 Kinematics & Data Interpretation

Biomechanical Concepts in Athletics (100m Sprint)

Helen Gravestock

on 4 February 2014

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Transcript of SPRT 1017 Kinematics & Data Interpretation

Scientific Concepts in Athletics
Helen Gravestock
For a task so simple, the 100m is
surprisingly complex.
Ground Reaction Force
This has been shown to be the biggest predictor sprint velocity.

Therefore; lower the breaking forces, and maximise the propulsive forces.
Ground reaction force
Ackland, T. R., Bloomfield, J., Elliott, B. C. (2008). Applied Anatomy and Biomechanics in Sport. Human Kinetics, Champaign, IL.

Hall, S. (1998) Basic Biomechanics. Singapore: McGraw-Hill.

Knudson, D.V. & Morrison, C.S. (2002) Qualitative Analysis of Human Movement (2nd Edition). Champaign, Illinois: Human Kinetics.

McGinnis, P. M. (2005). Biomechanics of Sport and Exercise. Human Kinetics: Champaign, IL.

Watkins, J. (1999). Structure and function of the musculoskeletal system. Champaign, Illinois: Human Kinetics
SPRT 1017
Kinematics & Data Interpretation
Session Plan ....
Kinematic Recap Theory

Calculations & Analysis Methodology

Applications to Performance
1. Identify and analyse the scientific
principles that underpin the different
types of athletics activities.
= Velocity
Acceleration =
McGinnis (2005) p.54
100m track
Displacement =
Distance =
Displacement =
Distance =
Is this enough detail?!
Average velocities are not sufficient to analyse performance
Displacement-Time Graph
Displacement-Time Graph
Average Velocity-Time Graph
Calculating Velocity
Measuring kinematics during sport can identify performance aspects-

Velocity and acceleration profiles
Velocity maintenance

General body motion kinematic analysis can identify performance and/or areas for improvement.
100m Sprint World record progression
Bolt 2009
Reacting to the gun
Getting out the blocks
Accelerating to top speed
Hanging on for dear life at the end
Stride length
Stride frequency
how many?
how big?
In the the right direction......of course
Mission accomplished
Full transcript