这个健身器材的手柄设计得很舒适，便于抓握。

The fitness equipment has a comfortable ___handgrip for easy holding.

正确的握笔姿势能减轻手部疲劳。

A proper ___handgrip on the pen can reduce hand fatigue.

医生建议他每天使用握力器锻炼手部肌肉。

The doctor advised him to use a ___handgrip daily to strengthen his hand muscles.