metacarpophalangeal articulation

例句：

1. 1.The metacarpophalangeal joint is the most common type of joint in the human body.
   指关节突关节是人类身体中最常见类型的关节。
2. 2. The doctor performed a thorough examination of the patient's joints before recommending surgery.
   医生在推荐手术前对患者的关节进行了彻底的检查。
3. 3. The researcher studied the biomechanics of the metacarpophalangeal joint to improve its function.
   研究者研究了指关节突关节的生物力学，以改善其功能。