# A pregnant client at 32 weeks gestation reports experiencing leg cramps that occur primarily at night and interfere with her sleep. Which nursing intervention should the nurse recommend first to help alleviate this discomfort?

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> url: https://mymerci.kr/pages/nclex_q.php?qn_id=542838  
> language: ko  
> subject: Maternal Newborn Health

## 문제

A pregnant client at 32 weeks gestation reports experiencing leg cramps that occur primarily at night and interfere with her sleep. Which nursing intervention should the nurse recommend first to help alleviate this discomfort?

## 보기

1. Take a warm bath before bedtime to relax the muscles
2. Dorsiflex the foot and extend the leg when cramping occurs **✔ 정답**
3. Increase calcium intake by consuming more dairy products
4. Apply a heating pad to the affected leg for 15-20 minutes

**정답: 2**

## 해설

Dorsiflexion and leg extension provide immediate relief for acute leg cramps by stretching contracted muscle fibers, making it the first-line intervention. Other options may offer comfort but are not the most effective initial action.

## 심화 해설

Understanding Leg Cramps in Pregnancy

Nocturnal leg cramps are a common and distressing complaint during the second and third trimesters of pregnancy. The exact pathophysiology is not fully understood, but it is thought to involve a combination of factors, including compression of pelvic blood vessels by the enlarging uterus, leading to venous stasis, and neuromuscular fatigue from altered posture and weight gain. When a client presents with this discomfort, the nurse's priority is to recommend an intervention that provides immediate, safe relief during an acute cramping episode.

Prioritizing Immediate Relief

When a muscle cramp is actively occurring, the most direct and evidence-supported non-pharmacological approach is to gently stretch the affected muscle. For a calf muscle cramp, the nurse should instruct the client to dorsiflex the foot (point the toes toward the shin) while keeping the leg extended. This action mechanically lengthens the gastrocnemius and soleus muscles, breaking the involuntary, painful spasm. This recommendation is a first-line response because it addresses the symptom at the moment it happens, requires no equipment, and poses no risk to the mother or fetus.

Analyzing the Other Options

While the other interventions have merit in a broader comfort management plan, they are not the immediate priority during an acute cramp.

- Taking a warm bath before bedtime is a relaxation technique that may help prevent cramps by promoting general muscle relaxation and vasodilation. However, it is a preventive strategy, not a treatment for an active cramp.

- Increasing calcium intake is a common suggestion, but the evidence linking isolated calcium deficiency to pregnancy-related leg cramps is inconsistent. Furthermore, dietary modification is a long-term strategy that will not stop a cramp that is already occurring. The systematic review by González-Parejo et al. on dietary supplements for sleep-related leg symptoms highlights that while certain supplements like magnesium may show benefit, the evidence is specific to the formulation and condition studied, and dietary changes are not an acute intervention .

- Applying a heating pad can soothe muscle soreness after a cramp has subsided by promoting blood flow and reducing residual tightness. During an active cramp, however, the priority is to mechanically break the spasm through stretching. Heat application is a secondary comfort measure.

Connecting to the Evidence

The principle of using targeted mechanical interventions for musculoskeletal leg pain is supported by research in related fields. A randomized controlled trial by Kashyap et al. explored the effectiveness of a dynamic fabric actuator for chronic leg pain associated with prolonged standing, a condition that shares the mechanism of muscular fatigue and strain . The study's focus on a physical, movement-based intervention to counteract the effects of sustained muscle loading reinforces the physiological rationale for using active stretching (dorsiflexion) to immediately counteract an acute cramp. While the study by Sheng et al. discusses magnesium's role in musculoskeletal physiology, its focus is on bone biology and orthopedic biomaterials, not on the acute management of muscle cramps . The qualitative study on dyspareunia is not relevant to the physiological mechanism of leg cramps . The most immediate and physiologically sound nursing action is to teach the client to dorsiflex the foot and extend the leg to mechanically resolve the muscle spasm.

## 임상 시나리오

Clinical Management of Nocturnal Leg Cramps in Pregnancy

Leg cramps are a frequent complaint in the second and third trimesters. The priority during an acute episode is to break the muscle spasm safely and effectively.

Immediate Intervention During an Acute Cramp

- **Active Stretching:** Instruct the client to immediately dorsiflex the foot (point toes toward the shin) while keeping the leg extended. This mechanically lengthens the gastrocnemius and soleus muscles to resolve the spasm.

- **Positioning:** The client can perform this stretch while sitting or lying in bed. Avoid pointing the toes, which can worsen the cramp.

- **Massage:** Gentle massage of the affected muscle can be applied concurrently to aid relaxation once the acute spasm begins to release.

Preventive and Supportive Measures

- **Hydration:** Encourage adequate fluid intake throughout the day to support electrolyte balance.

- **Warm Baths:** A warm bath before bedtime can promote general muscle relaxation and may reduce cramp frequency.

- **Nutrition:** While evidence is mixed, a balanced diet with sufficient calcium and magnesium may be beneficial. Supplementation should only be used under the direction of a healthcare provider.

- **Activity Modification:** Regular, gentle exercise and avoiding prolonged standing can help reduce venous stasis.

Nursing Considerations

- Differentiate leg cramps from more serious conditions such as deep vein thrombosis (DVT), which presents with unilateral swelling, redness, and warmth.

- Reassure the client that leg cramps are a common, benign discomfort of pregnancy that typically resolves after delivery.

- Document the frequency and severity of cramps and the effectiveness of interventions.

## 핵심 개념

- **Dorsiflexion** — Bending the foot upward toward the shin, which stretches the calf muscles (gastrocnemius and soleus) to relieve a cramp.
- **Nocturnal Leg Cramps** — Sudden, involuntary, painful muscle contractions in the leg occurring at night, common in the second and third trimesters of pregnancy.
- **Venous Stasis** — A reduction in blood flow in the veins, often caused in pregnancy by the enlarging uterus compressing pelvic vessels.

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