Load management is the headline use case. By comparing external load (work done) to internal load (physiological response), coaches identify mismatches—fatigue rising despite stable volume, or under-recovered athletes masking strain. Session-RPE remains valuable because it captures perceived difficulty, integrating factors that devices miss (sleep, stress, illness).

Readiness assessments guide micro-adjustments. If countermovement jump metrics dip and subjective fatigue is high, a player might shift from heavy eccentrics to technical drills. Over weeks, this reduces soft-tissue risk and preserves peak availability for key fixtures.

Wearables extend to sleep and recovery—tracking duration and regularity. While absolute accuracy varies, consistent routines anchored by wake time correlate with better hormonal profiles and mood. Teams use this to shape travel schedules, meal timing, and light exposure plans, particularly across time zones.

The caution is data noise. Without clear questions, dashboards become clutter. Effective programs define a small set of decision-driving metrics, standardize collection, and educate athletes on interpretation. Privacy and consent are non-negotiable; data must be secured and used to benefit the athlete, not just the organization.