![](https://tutoillust.com/wp/wp-content/uploads/2020/11/6694264bfc3c60421c3b0b3919bf2566.jpg)
肘筋
肘の伸展を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/d072ca99bc0b6e0c5d6e9df026cdf200.jpg)
尺側手根伸筋
手関節の背屈、尺屈を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/84d29807e82191464a51adc9ede2a2e3.jpg)
小指伸筋小指の伸展、外転を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/1f3ec6fcf9bdc4e6f224b8d45f4e589a.jpg)
尺側手根屈筋
手関節の掌屈、尺屈を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/24c12b4269ea9742cd993cfa6d38adf0.jpg)
(総)指伸筋示指~小指の第1~3関節の伸展、手関節の背屈を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/3586442fbe9f018c39294ba102ebfb5e.jpg)
長母指外転筋母指の外転、伸展、手関節の橈屈を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/1cf700158d8daa38cadd9dbc4c5057d4.jpg)
長母指伸筋
母指IP関節、MP関節の伸展、橈側外転、掌側内転を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/16ed91e597a7be7495a89e73c10e94d6.jpg)
短母指伸筋
母指MP関節の伸展、母指外転を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/7d134754db06138cad873c0bf055e762.jpg)
短橈側手根伸筋
手関節の背屈、橈屈を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/6e73b5797d1bf155e53396bc7f2e02a8.jpg)
長橈側手根伸筋
手関節の背屈、橈屈を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/9f76e34863cefdd09d8beb7c89f5ec4c.jpg)
示指伸筋
示指の伸展、手関節の背屈を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/cbca5cc8e4ec55ffc71c4c5d7a66df9c.jpg)
腕橈骨筋
肘関節の屈曲、前腕を回内回外位から半回内位に回旋を行う
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/d76b0ce6a92102936d1a871aaf25e1c0.jpg)
上腕とのつながり
![](https://tutoillust.com/wp/wp-content/uploads/2020/11/7b3a34ec0d8c14985147e18fbece39fb.jpg)