Processus calcaneus

例句：

1. 1.The athlete's performance was hampered by his poor footwork.
   这位运动员的表现受到了他糟糕的步法的影响。
2. 2.The marathon runner had to stop and stretch his calves after the long run.
   马拉松跑者在长跑后不得不停下来伸展他的小腿肌肉。
3. 3. The doctor advised him to exercise more regularly to strengthen his Processus calcaneus.
   医生建议他更频繁地锻炼，以加强他的脚底肌肉群。