---
title: HKVO2MaxTestType
framework: healthkit
role: symbol
role_heading: Enumeration
path: healthkit/hkvo2maxtesttype
---

# HKVO2MaxTestType

Methods for calculating the user’s VO2 max rate.

## Declaration

```swift
enum HKVO2MaxTestType
```

## Overview

Overview VO2 max represents the maximal oxygen consumption during incremental exercise. VO2 max is an important indicator of fitness and endurance.

## Topics

### Test Types

- [HKVO2MaxTestType.maxExercise](healthkit/hkvo2maxtesttype/maxexercise.md)
- [HKVO2MaxTestType.predictionSubMaxExercise](healthkit/hkvo2maxtesttype/predictionsubmaxexercise.md)
- [HKVO2MaxTestType.predictionNonExercise](healthkit/hkvo2maxtesttype/predictionnonexercise.md)

### Enumeration Cases

- [HKVO2MaxTestType.predictionStepTest](healthkit/hkvo2maxtesttype/predictionsteptest.md)

### Initializers

- [init(rawValue:)](healthkit/hkvo2maxtesttype/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)