# Smartphone Use and Neck Flexion Angle

> **NCT04715009** · — · COMPLETED · sponsor: **South Valley University** · enrollment: 140 (actual)

## Conditions studied

- Neck Disorder

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04715009
- **Lead sponsor:** South Valley University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-01
- **Primary completion:** 2021-02-01
- **Final completion:** 2021-03-01
- **Target enrollment:** 140 (ACTUAL)
- **Last updated:** 2021-03-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04715009

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04715009, "Smartphone Use and Neck Flexion Angle". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04715009. Licensed CC0.

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