# NordicAngle

> NordicAngle (iPhone/iPad app by 株式会社S-CADE.)

- Source: https://appshunter.io/ios/app/nordicangle/id6447578435 (this page in markdown: same URL + `.md`)
- Developer: [株式会社S-CADE](https://appshunter.io/developer/1621269147)
- Category: Sports, Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 4 MB
- Languages: American English
- Released: 2023-05-09
- Data updated: 2026-01-13
- User reviews in markdown: https://appshunter.io/ios/app/nordicangle/id6447578435/reviews.md

## What is NordicAngle?

■Overview■
Nordic Angle is a smartphone application developed in collaboration with Athletic Training Laboratory at Waseda University (instructed by Professor Norikazu Hirose) and S-CADE. Co., Ltd. AI automatically detects landmarks at the hip, knee, and ankle joints. Based on the detected landmarks, it calculates the break-point angle and the hip flexion angle at the break-point during the Nordic hamstring exercise. A smaller break-point angle indicates that the upper body can lean further forward, suggesting stronger eccentric hamstring strength. Therefore, regular measurement of the break-point angle suggests that a smaller value is associated with a lower risk of hamstring injury.
 
■How to use■
1. The device is placed about 3 m to the left and right of the person, with the participant centered in the frame.
2. When the person is ready, record a video at the setting (60 fps).
3. The person leans forward as slowly as possible from a kneeling position, and then leans forward as far as possible.
4. Please trim it short from the initial and final parts of the motion of the person.
6. Open Nordic Angle and select a video.
7. The analysis zone will be restricted to the participant only, excluding the partner holding the participant's ankles.
 
■Notes■
・The entire body of the person should be shown.
・Loose-fitting clothing will reduce detection accuracy.


## Version history (last 5 releases)

### 1.1.4 — 2026-01-13

The ability to set an analysis zone has been added, preventing misidentification of individuals restraining the ankle.

### 1.1.3 — 2025-06-26

軽微な修正を行いました

### 1.1.2 — 2025-06-04

Minor corrections have been made.

### 1.1.1 — 2025-05-22

Minor corrections have been made.

### 1.1 — 2025-04-29

It is now possible to calculate the hip flexion angle during Nordic hamstring exercise. Not only the break-point angle, but also the hip flexion angle at that time can be calculated.

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## More apps by 株式会社S-CADE

- [JumpEye](https://appshunter.io/ios/app/jumpeye/id1451490992)
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- [AngleEyeLite](https://appshunter.io/ios/app/angleeyelite/id1570640967)

All apps by 株式会社S-CADE: https://appshunter.io/developer/1621269147

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-01-13.*