Why does the calf continue to hurt after a leg cramp?

Possible causes of persistent calf pain after a leg cramp include:

1. Muscle fatigue: When a leg cramp occurs, the muscle remains in a prolonged state of tension. Combined with possible prior overexertion or fatigue, this can make it difficult for the muscle to return to a normal state quickly, resulting in ongoing pain.

2. Electrolyte imbalance: Calcium ions play an important role in muscle contraction and relaxation. When the body lacks calcium ions, muscle excitability can become abnormal, making cramps more likely, and post-cramp pain may persist due to this imbalance.

3. Vascular problems: For example, arteriosclerosis can reduce vascular elasticity and narrow the vessel lumen, while thrombosis can directly block blood vessels. These conditions may impair blood circulation in the calf, leading to muscle ischemia and hypoxia, and thus causing pain. Nerve-related issues, such as neuritis, can interfere with nerve conduction, causing abnormal signal transmission in the calf and potentially leading to pain.

When this occurs, resting can help the muscles relax, applying heat can improve blood circulation and reduce pain, and massage can help relieve muscle tension.

However, if the pain persists or is accompanied by other symptoms such as swelling or numbness, it is recommended to seek medical examination immediately. Additionally, maintaining a balanced diet and appropriately supplementing electrolytes and calcium can enhance the normal function of muscles and nerves, helping to prevent leg cramps.