---
title: thumbCMC
framework: vision
role: symbol
role_heading: Type Property
path: vision/vnhumanhandposeobservation/jointname/thumbcmc
---

# thumbCMC

The thumb’s carpometacarpal (CMC) joint.

## Declaration

```swift
static let thumbCMC: VNHumanHandPoseObservation.JointName
```

## See Also

### Thumb

- [thumbTip](vision/vnhumanhandposeobservation/jointname/thumbtip.md)
- [thumbIP](vision/vnhumanhandposeobservation/jointname/thumbip.md)
- [thumbMP](vision/vnhumanhandposeobservation/jointname/thumbmp.md)