📚 Year 7 Cambridge PE: Case Study Practical Exercises | 剑桥七年级体育案例分析实战演练
Welcome to this case study practical exercise for Year 7 Cambridge Physical Education. We will explore a realistic scenario involving a student athlete, analyse his performance, and apply key PE concepts. This hands-on approach will help you develop critical thinking and application skills required for your assessments.
欢迎来到剑桥七年级体育的案例分析实战演练。我们将探究一个涉及学生运动员的真实场景，分析他的表现，并运用关键的体育概念。这种动手实践的方法将帮助你培养评估所需的批判性思维和应用能力。
1. Case Study Introduction | 案例介绍
Sam is a 13-year-old Year 7 student at Cambridge International School. He has signed up for three events at the upcoming Sports Day: 800-metre run, long jump, and basketball free-throw competition. Sam enjoys basketball but struggles with endurance running. His teacher has recorded baseline fitness data, including a 12-minute Cooper run distance of 2200 m, standing broad jump of 1.75 m, and a resting heart rate of 72 bpm.
Sam是一名13岁的七年级学生，就读于剑桥国际学校。他报名参加了即将到来的运动日的三个项目：800米跑、跳远和篮球罚球比赛。Sam喜欢打篮球，但在耐力跑方面有困难。他的老师记录了基线体能数据，包括12分钟库珀跑距离2200米、立定跳远1.75米，以及安静心率72次/分。
Your task is to act as a PE coach and analyse Sam’s current abilities, design a short training plan, and suggest strategies to improve his performance while maintaining safety and fair play.
你的任务是扮演体育教练，分析Sam目前的能力，设计一个短期训练计划，并在保证安全和公平竞赛的前提下提出提高表现的建议。
2. Health-Related Fitness Assessment | 健康体能评估
Health-related fitness includes components such as cardiovascular endurance, muscular strength, muscular endurance, flexibility, and body composition. Sam’s 2200 m Cooper run indicates a fair cardiovascular endurance for his age, but to excel in the 800 m event, improvement is needed. His standing broad jump result suggests moderate leg power, which is crucial for long jump.
健康相关体能包括心肺耐力、肌肉力量、肌肉耐力、柔韧性和身体成分。Sam的2200米库珀跑成绩表明他的心肺耐力在同龄人中属于一般水平，但要想在800米项目中表现出色，还需要提升。他的立定跳远成绩反映了中等的腿部爆发力，这对跳远至关重要。
Flexibility and body composition have not been measured yet, but Sam appears to have a healthy weight. Poor flexibility could limit his jumping technique, so a sit-and-reach test would be valuable.
柔韧性和身体成分尚未测量，但Sam的体重看起来是健康的。柔韧性差可能会限制他的跳跃技术，因此坐位体前屈测试很有价值。
3. Skill-Related Fitness Analysis | 技能相关体能分析
Skill-related fitness components — speed, power, reaction time, coordination, balance, and agility — are vital for athletic success. For the basketball free-throw competition, coordination and balance are key. Sam’s power (seen in broad jump) helps in long jump, while speed influences the 800 m start and finish.
技能相关体能要素——速度、力量、反应时、协调性、平衡性和灵敏性——对运动成功至关重要。在篮球罚球比赛中，协调性和平衡性尤为关键。Sam的力量（体现在立定跳远）有助于跳远，而速度会影响800米跑的起跑和冲刺。
Agility is less critical for his events, but could be tested through an Illinois agility test. Reaction time may be relevant for the start of the 800 m race.
灵敏性对他的项目不那么关键，但可通过伊利诺伊灵敏性测试进行评估。反应时间可能与800米起跑有关。
4. Applying the FITT Principle | 应用FITT原则
To design Sam’s training, we use the FITT principle: Frequency, Intensity, Time, and Type. The table below outlines a sample weekly plan tailored to his needs.
为了设计Sam的训练，我们使用FITT原则：频率、强度、时间和类型。下表概述了一个根据他的需求量身定制的示例周计划。
| Fitness Component | Frequency | Intensity | Time | Type |
|---|---|---|---|---|
| Cardiovascular Endurance | 3 times/week | 60–80% HRmax | 20–30 min | Continuous run, intervals |
| Leg Power (Long Jump) | 2 times/week | High | 15–20 min | Plyometrics (box jumps, skipping) |
| Flexibility | Daily | Stretch to mild discomfort | 10–15 min | Static & dynamic stretching |
For leg power, plyometric exercises should be explosive but controlled. For cardiovascular gains, interval training alternates high-intensity bursts with recovery, mirroring the 800 m race pattern. Flexibility work complements both events by promoting a full range of motion.
对于腿部力量，增强式训练应当爆发力强且可控。对于心肺适能的提升，间歇训练通过高强度冲刺与恢复交替进行，模拟了800米跑的节奏。柔韧性练习通过促进完整的关节活动范围，对两项运动都有补充作用。
5. Heart Rate and Exercise Intensity | 心率与运动强度
Monitoring heart rate ensures Sam trains at the correct intensity. His estimated maximum heart rate is:
监测心率能确保Sam以正确的强度训练。他的估算最大心率为：
Max HR = 220 – 13 = 207 bpm
Target zones: moderate activity 60–70% (124–145 bpm), vigorous activity 70–85% (145–176 bpm). For his interval training, he should aim for the upper end of the vigorous zone.
目标区间：中等强度60–70%（124–145次/分），高强度70–85%（145–176次/分）。在进行间歇训练时，他应以高强度区间的上限为目标。
After a 3-minute step test, we can measure his recovery heart rate. A drop of more than 30 bpm in the first minute suggests good cardiovascular fitness. If his recovery is slower, more aerobic base work is needed.
在3分钟台阶测试后，我们可以测量他的恢复心率。如果在第一分钟内心率下降超过30次/分，说明心血管适能良好。如果恢复较慢，则需要更多有氧基础训练。
6. Nutrition and Hydration Planning | 营养与补水计划
Proper nutrition fuels performance. Sam should consume a balanced meal 2–3 hours before the event, rich in complex carbohydrates (pasta, rice) for sustained energy. On Sports Day morning, a light snack like a banana 30–60 minutes before competition helps.
合理的营养能为运动表现提供能量。Sam应在赛前2–3小时吃一顿均衡的膳食，富含复合碳水化合物（如意大利面、米饭）以提供持续能量。在运动日当天早晨，赛前30–60分钟吃香蕉等轻便零食会有帮助。
Hydration is critical. He should drink 500 ml of water 2 hours before and small sips during the day. Avoid sugary drinks that can cause energy crashes. During the 800 m race, he should hydrate adequately beforehand, as mid-race drinking is impractical.
补水至关重要。他应在赛前2小时饮用500毫升水，并在全天少量多次饮水。避免会导致能量骤降的含糖饮料。在800米跑过程中，由于中途饮水不便，他应提前充分补水。
7. Injury Prevention and Warm-Up | 损伤预防与热身
A proper warm-up reduces injury risk and enhances performance. Sam’s warm-up for the 800 m should include 5–10 minutes of light jogging, dynamic stretches (leg swings, lunges) and a few stride-outs. For long jump, specific drills like bounding and controlled take-off practice are essential.
适当的热身能降低损伤风险并提升表现。Sam的800米跑热身应包括5–10分钟的慢跑、动态拉伸（摆腿、弓步）和几次加速跑。对于跳远，专门的练习如跨步跳和受控起跳练习很重要。
After each event, a cool-down with static stretching helps remove lactic acid and prevent muscle soreness. He should hold each stretch for 20–30 seconds without bouncing. Using a foam roller can also aid recovery.
每项赛后的整理活动应包含静态拉伸，这有助于排除乳酸、预防肌肉酸痛。他应每个拉伸动作保持20–30秒，不要弹震。使用泡沫轴也有助于恢复。
8. Basketball Free-Throw Technique and Mental Tactics | 篮球罚球技术与心理战术
For the free-throw competition, Sam must focus on consistent technique: BEEF (Balance, Eyes, Elbow, Follow-through). Balance with feet shoulder-width, eyes on the target (back of rim), elbow under the ball, and a smooth follow-through with wrist snap.
对于罚球比赛，Sam必须注重稳定的技术：BEEF（平衡、视线、肘部、跟随动作）。双脚与肩同宽保持平衡，视线瞄向目标（篮筐后沿），肘部位于球下方，手腕柔和拨球完成跟随动作。
Mental strategies are equally important. Deep breathing and visualising a successful shot can reduce anxiety. He should practise under simulated pressure, such as shooting with a countdown timer. Confidence grows through repeated successful routine.
心理策略同样重要。深呼吸和想象成功投篮能减轻焦虑。他应在模拟压力下练习，例如用倒计时器进行投篮。通过反复执行成功的固定动作，自信心会逐渐增强。
9. Fair Play and Sportsmanship | 公平竞赛与体育精神
In all events, Sam must abide by the rules and show respect to officials, opponents,
Published by TutorHao | Year 7 体育 Revision Series | aleveler.com
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