Pain in the lower calf along the Achilles tendon, the cord connecting the heel to the calf muscle.

腓肠肌下部沿着跟腱疼痛，也就是连接脚后跟和腓肠肌的那根绳子。

youdao

However, ultrasound revealed that the muscle fibres that make up the calves were indeed 13% shorter, on average, for the heel fans.

然而，超声波检测结果表明，对于穿着高跟鞋的人来说，构成腓肠肌的肌纤维长度平均比通常情况短13%。

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Common injuries in basketball include patella chondropathy, "basketball knee", ankle joint injury, waist muscle injury, lower waist pain, heel tendon peripheral inflammation and fatigue fracture etc.

篮球运动中常见的损伤类型有髌骨软骨病及“篮球膝”、踝关节损伤、腰肌劳损及下腰部痛、跟腱周围炎及疲劳性骨折。

youdao

And, though most Norwegians still like Mr Bondevik, he lacks the political muscle to call his legislature to heel.

ECONOMIST: Norway

However, ultrasound revealed that the muscle fibres that make up the calves were indeed 13% shorter, on average, for the heel fans.

ECONOMIST: Anatomy and behaviour