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App Store Apps > Health & Fitness > QuadQ
QuadQ icon

QuadQ

by Takeaki Hashimoto · Health & Fitness · Free
On the App Store since October 2026 · Data updated 2026-11-03

QuadQ is made and published by Takeaki Hashimoto. AppBrain is an independent app data site and isn't affiliated with Takeaki Hashimoto. The app name, icon, screenshots and description belong to Takeaki Hashimoto and are shown as published on the App Store.

AppBrain's verdict

Last updated
October 9, 2026
Size
1.93 MB
Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on QuadQ for iOS

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Store listing

By Takeaki Hashimoto, from the App Store
QuadQ Screenshot 1 of 4
QuadQ Screenshot 2 of 4
QuadQ Screenshot 3 of 4
QuadQ Screenshot 4 of 4
Screenshots by Takeaki Hashimoto, from the the App Store listing
Description by Takeaki Hashimoto Written by the developer, not by AppBrain. Click to read.
太ももの前の筋肉(大腿四頭筋)が弱く、立ち上がりや歩行に不安がある方のリハビリを、数字で見えるようにする記録アプリです。特別な機器は使わず、すねに固定したiPhoneのセンサーだけで膝を伸ばす力の目安を測ります。

【スマホをすねに固定して測る】
椅子に座り、iPhoneをすねの前面にバンドで固定します。カメラは使いません。傾きと角速度から次の4つを測ります。
・保持:膝を伸ばしたまま保てた秒数
・30秒回数:30秒間に膝を伸ばせた回数
・速さ:できるだけ速く伸ばしたときの最高角速度
・最大伸展角:完全に伸ばしきるまでに足りない角度
左右を分けて記録し、1日の最長保持を30日のグラフで確認できます。センサーを使わない手動ストップウォッチもあります。

【外来での評価もまとめて記録】
5回立ち上がり、TUG(Timed Up and Go)、10m歩行は計時ボタンつき。MMTとメモも残せます。外来当日のセンサー計測値は自動で取り込まれます。

【どこまで行けば何ができるかの目安】
「つかまって立てる」「屋内を歩ける」「手を使わず立てる」「屋外を歩ける」「階段を昇り降りできる」の5段階で、いまの段階と次の目標に足りない項目を表示します。

【検査のやり方をイラストで】
センサー計測、5回立ち上がり、TUG、10m歩行の準備・手順・記録のしかた・注意をイラスト付きで説明します。

【その他】
・アカウント不要、広告なし、通信なし。記録はすべて端末内に保存
・記録は文字列で書き出し・読み込みができ、Web版QuadQと行き来できます
・無料

本アプリは医療機器ではありません。表示される数値や段階は一般的な参考値と本アプリ独自の仮の基準によるもので、診断や治療の判断には使えません。運動の内容は担当の医師・理学療法士にご相談ください。
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
1.93 MB
Content rating
Medium

Technologies used by QuadQ

Releases

Updates seen on the App Store
Version
1.1
Launched
October 2026

No changelog data

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Rankings

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This app is not ranked

About the app and developer

About QuadQ

QuadQ is a health & fitness app developed by Takeaki Hashimoto.

User Ratings

The app has no ratings yet.

App Information

QuadQ is freely available from the App Store. The app size is 1.93 MB. The latest version available is 1.1. The last update was on October 9, 2026.

Technical Requirements

The app has a content rating of Medium Maturity. The app has been available on the App Store since October 2026.

Developer information for Takeaki Hashimoto

Takeaki Hashimoto

Address:

Frequently asked questions about QuadQ

Is QuadQ free?

Yes. QuadQ is free on the App Store.

Is QuadQ still available?

Yes. QuadQ is on the App Store, and the last update we saw was on October 9, 2026.

How large is QuadQ?

QuadQ is 1.93 MB.

Is QuadQ suitable for children?

App Store gives QuadQ a medium maturity rating, so it is not meant for young children.

Who made QuadQ?

QuadQ was developed by Takeaki Hashimoto. It is listed in the health & fitness category on the App Store.

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