How Footwear Choice Affects Athletic Performance and Injury Risk in Change-of-Direction Movements

How Does Footwear Impact Athletic Performance and Biomechanics?

Footwear Choice Significantly Impacts Change-of-Direction Performance and Biomechanics in Sports, New Research Shows

A recent study published in Footwear Science reveals significant differences in how athletes perform change-of-direction (COD) movements based on their footwear, with important implications for both performance enhancement and injury prevention strategies. The research, conducted at Friedrich Schiller University Jena, compared how standard sport shoes, minimalist footwear, and barefoot conditions affect biomechanics during 90° cutting maneuvers commonly performed in sports like soccer and tennis.

What Study Design Underpins This Research?

The crossover study involved 41 active, healthy participants (14 females, 27 males) who regularly engaged in non-barefoot sports. Researchers analyzed 1,859 movement trials across three footwear conditions using 3D motion capture, force plate measurements, and electromyography to assess muscle activity in the lower leg. The study design uniquely incorporated both anticipated and unanticipated cutting maneuvers to replicate the demands of competitive sports situations where athletes must react quickly to changing circumstances.

The researchers found that standard sport shoes consistently enabled significantly higher approach velocities (3.28 ± 0.45 m/s in anticipated conditions) compared to minimalist shoes (3.15 ± 0.40 m/s) and barefoot conditions (2.99 ± 0.34 m/s). This translated to superior performance times in standard footwear. Principal investigator Stanislav Siegel noted, "Even when controlling for approach velocity as a covariate in our statistical model, the advantage of standard shoes remained significant, suggesting inherent biomechanical benefits beyond simply allowing athletes to approach the maneuver more quickly."

Beyond performance metrics, the study revealed substantial differences in movement strategies across footwear conditions. Standard sport shoes predominantly induced rearfoot strikes (approximately 52% in anticipated conditions), while minimalist and barefoot conditions shifted participants toward forefoot strikes (over 50% of trials). These strike pattern changes corresponded with significant alterations in ankle joint angles at ground contact, with standard shoes showing a more dorsiflexed ankle position compared to the plantarflexed position in minimalist and barefoot conditions.

Force production also varied dramatically between footwear types. Athletes generated the highest ground reaction forces in all directions with standard sport shoes. Compared to standard footwear, minimalist and barefoot conditions reduced maximum braking force in the anterior-posterior direction by approximately 15% and 30%, respectively. The dynamic friction coefficient—reflecting utilized traction during the maneuver—was approximately 10% higher in standard shoes compared to barefoot conditions.

These kinetic differences were accompanied by distinct neuromuscular activation patterns. The study found that plantarflexor muscle activity (gastrocnemius lateralis and medialis) at initial ground contact was significantly higher in barefoot and minimalist conditions compared to standard shoes, indicating pre-activation and adaptation of the foot strike pattern. Conversely, tibialis anterior activity was highest in standard sport shoes, reflecting the different landing strategies employed across footwear conditions.

Perhaps most interestingly, vertical loading rates—often associated with running injury risk—showed a complex relationship with footwear. While instantaneous loading rates were lower in standard sport shoes (likely due to cushioning properties), vertical average loading was actually lowest in barefoot conditions. This suggests that although cushioning reduces initial impact forces, the altered landing mechanics in barefoot conditions may distribute forces differently throughout the stance phase.

The researchers also examined how anticipation affected performance across footwear types. Unanticipated cutting maneuvers resulted in reduced approach velocities, altered biomechanics, and increased neuromuscular demands across all footwear conditions. However, the relative differences between footwear types remained consistent regardless of anticipation level, suggesting that footwear effects are stable even under varied cognitive demands.

What Are the Clinical Implications and Future Directions?

"Our findings indicate that footwear selection involves an inherent trade-off between performance and biomechanical factors that might influence injury risk," explained senior author Astrid Zech. "Standard sport shoes appear to optimize performance through enhanced force production and momentum transfer, while minimalist and barefoot conditions induce movement patterns that previous research has associated with reduced ACL loading and potentially favorable joint loading distributions."

The study has important implications for athletes, coaches, and footwear manufacturers. For competitive performance in change-of-direction tasks, standard sport shoes with appropriate traction and cushioning properties appear superior. However, the altered foot strike patterns and joint kinematics observed in minimalist conditions might offer training benefits for injury prevention. The researchers suggest that manufacturers could consider optimizing minimalist shoe designs by incorporating improved traction elements in the forefoot area to better support the forefoot strikes typical in these conditions during cutting maneuvers.

The researchers acknowledge several limitations, including the use of participants' own habitual footwear as the standard condition (introducing variability), the laboratory setting (limiting applicability to real-world playing surfaces), and the focus on acute rather than long-term adaptations to different footwear types. They recommend future research investigate how long-term habituation to minimalist footwear might alter performance and biomechanical responses.

This comprehensive examination of footwear effects on cutting maneuvers provides valuable insights for clinicians working with athletes. Could minimalist footwear training be incorporated strategically into rehabilitation or injury prevention programs to develop more favorable movement patterns? How might these laboratory findings translate to varied playing surfaces encountered in competitive sports? These questions represent important areas for future clinical research as we continue to optimize both performance and safety in sport-specific movements.

Summary

A new study published in Footwear Science demonstrates that footwear choice significantly affects athletic performance and biomechanics during change-of-direction movements common in sports like soccer and tennis. Researchers at Friedrich Schiller University Jena analyzed 1,859 movement trials from 41 active participants across three footwear conditions: standard sport shoes, minimalist footwear, and barefoot. The study found that standard sport shoes enabled higher approach velocities and superior performance times compared to minimalist and barefoot conditions, with athletes achieving speeds of 3.28 m/s in standard shoes versus 2.99 m/s barefoot. Standard footwear predominantly induced rearfoot strikes and generated the highest ground reaction forces, while minimalist and barefoot conditions shifted athletes toward forefoot strikes with reduced braking forces. Neuromuscular activation patterns also varied significantly, with plantarflexor muscles showing higher activity in barefoot conditions and tibialis anterior activity peaking in standard shoes. The research suggests an inherent trade-off between performance optimization and biomechanical factors that may influence injury risk. Standard sport shoes appear superior for competitive performance through enhanced force production and momentum transfer, while minimalist and barefoot conditions induce movement patterns potentially associated with reduced joint loading and ACL stress. The findings have important implications for athletes, coaches, and footwear manufacturers, suggesting that strategic incorporation of minimalist footwear training might offer benefits for injury prevention programs, though further research is needed to examine long-term adaptations and real-world applications across varied playing surfaces.