Emphasize hip flexion

Select a comfortable walking speed

Engage their trunk muscles

Reduce their peak ground reaction force

0.21 m

7.20 cm

0.15 m

7.42 cm

12.77 cm

Elastic energy is minimal

Gravitational potential energy is negative

Kinetic energy is maximally recovered

Kinetic energy is lost, to some extent, during the collision

0.21 m s^-1

8.00 km h^-1

3.51 m s^-1

5.20 km h^-1

3.21 m s^-1

Kinetic energy

Thermal energy

Elastic energy

Gravitational potential energy

All of the above

Intervention

Delivery

Preparation

Evaluation/diagnosis

Observation

Accelerations

Moment arms

Centric forces

Speeds

Eccentric forces