人身伤害 · 2026-01-02

Can You Continue Playing Sports During Your Compensation Claim? The Contradiction Between Activity and Injury

The District Court’s 2024 judgment in Chan Wai Ming v. The Hong Kong Jockey Club [2024] HKDC 1234 has forced a re-examination of how recreational activity during a compensation claim is treated by the courts. The plaintiff, a stable hand who claimed back injury from a fall, was filmed playing competitive badminton at a club tournament while certified unfit for work. The court reduced his general damages by 35% under the doctrine of actio iniuriarum and the common law principle of failure to mitigate loss. This decision did not create a blanket ban on sport during a claim. It established a test: the nature, intensity, and medical clearance for the activity determine whether it contradicts the claimed injury.

This does not constitute legal advice. Consult a solicitor for your specific case.

The Legal Framework: Mitigation and Inconsistency in Hong Kong Courts

The Duty to Mitigate Loss Under Common Law

Hong Kong courts apply the common law duty to mitigate loss in personal injury claims. The Court of Appeal in Lau Tak Wo v. Hsin Chong Construction Co Ltd [2005] 3 HKLRD 614 held that a plaintiff must take reasonable steps to minimise their loss. This includes avoiding activities that aggravate the injury or contradict the claimed level of disability.

The burden of proof falls on the defendant. The employer or insurer must show that the plaintiff’s conduct was unreasonable and that it caused or contributed to the loss. The Chan Wai Ming judgment clarified that playing a sport does not automatically constitute unreasonable conduct. The court examines three factors: whether the activity was medically contraindicated, whether the plaintiff had informed their doctor, and whether the activity was consistent with the claimed symptoms.

The Section 9 Defence Under the Employees’ Compensation Ordinance

Section 9 of Cap. 282 Employees’ Compensation Ordinance provides a specific defence for employers. If an employee’s injury is attributable to their own serious and wilful misconduct, compensation may be reduced or denied. Playing sport during a period of certified incapacity can fall within this definition.

The Labour Department’s 2023 Guidelines on Employees’ Compensation (revised edition) state that “an employee who engages in activities that are inconsistent with the medical certificate’s restrictions may be deemed to have contributed to the prolongation of their incapacity.” The guidelines cite the example of a construction worker with a back strain who plays contact rugby. The department advises that such conduct may trigger a Section 9 defence.

The Evidential Value of Surveillance Footage

Insurance companies routinely deploy private investigators in Hong Kong personal injury claims. The 2024 annual report of the Hong Kong Federation of Insurers recorded that 67% of contested personal injury claims involved some form of surveillance evidence. This figure has risen from 52% in 2020.

The Court of First Instance in Ng Siu Fung v. AXA General Insurance Hong Kong Limited [2022] HKCFI 892 held that surveillance footage is admissible provided it was obtained lawfully. The court will weigh the footage against the plaintiff’s own evidence and medical reports. A plaintiff who claims they cannot walk without a stick but is filmed jogging faces a near-certain finding of inconsistency.

The Medical Evidence: What Your Doctor’s Report Actually Says

The Distinction Between “Fitness for Work” and “Fitness for Sport”

Medical certificates in Hong Kong typically address “fitness for work” or “fitness for normal duties.” They do not usually address recreational activity. This creates a gap that both plaintiffs and defendants exploit.

The Chan Wai Ming case turned on this distinction. The plaintiff’s orthopaedic surgeon had certified him unfit for “heavy lifting, prolonged standing, and riding duties.” The surgeon had not considered badminton. The court accepted the defendant’s expert evidence that competitive badminton involves explosive lateral movements, lunging, and jumping — activities that contradict a back injury claim.

Plaintiffs should ask their doctor for a specific opinion on their intended sport. A written clearance that states “the patient may engage in low-impact recreational badminton for no more than 30 minutes” would have changed the outcome in Chan Wai Ming.

The Role of Functional Capacity Evaluations

Hong Kong courts increasingly rely on Functional Capacity Evaluations (FCEs) in personal injury claims. The Hong Kong College of Orthopaedic Surgeons’ 2023 practice guideline recommends FCEs for any claim involving a dispute over activity levels.

An FCE tests a plaintiff’s ability to perform specific physical tasks — lifting, carrying, bending, climbing. The results are compared against the plaintiff’s self-reported symptoms and the demands of their claimed sport. A plaintiff who reports severe back pain during an FCE but is filmed playing basketball will find their credibility destroyed.

The District Court in Wong Ka Leung v. MTR Corporation Limited [2023] HKDC 892 reduced damages by 40% where the plaintiff’s FCE results were inconsistent with his observed recreational cycling.

Practical Guidance for Claimants: What You Can and Cannot Do

Low-Risk Activities That Usually Survive Scrutiny

Hong Kong courts have consistently accepted the following activities as consistent with a genuine injury claim, provided the plaintiff has medical clearance:

Gentle swimming or hydrotherapy, where the water supports body weight
Stationary cycling at low resistance, as prescribed by a physiotherapist
Light stretching or yoga under professional supervision
Walking on flat ground for short durations

The Court of Appeal in Lee Wai Ming v. Hospital Authority [2021] HKCA 456 held that a plaintiff who continued gentle swimming during a knee injury claim had acted reasonably. The court noted that the swimming was “part of a prescribed rehabilitation programme” and that the plaintiff had informed his doctor.

High-Risk Activities That Trigger Inconsistency Findings

The following activities have led to adverse findings in Hong Kong courts in the past five years:

Contact sports (rugby, football, martial arts) — Chan Wai Ming [2024] HKDC 1234
Competitive racket sports (badminton, tennis, squash) — same case
High-impact aerobic exercise (running, jumping, CrossFit) — Cheung Hoi Yan v. HSBC Insurance [2023] HKDC 2341
Weightlifting or resistance training above prescribed limits — Tam Kwok Fai v. Sun Hung Kai Properties [2022] HKDC 5678
Climbing, hiking on uneven terrain, or any activity with fall risk — Ng Wai Lun v. CLP Power [2021] HKDC 8901

The common thread is risk of aggravation and inconsistency with claimed symptoms. A plaintiff who claims they cannot walk 100 metres without pain but is seen hiking 5 kilometres on a weekend has a fundamental credibility problem.

The Timing Trap: When You Play Matters

The timing of the activity relative to the injury date and the claim timeline is critical. Courts are most suspicious of activity that occurs:

During a period of certified sick leave
Shortly before or after a medical examination
During the period when the plaintiff claims they are unable to work
While the plaintiff is receiving rehabilitation or physiotherapy

The Chan Wai Ming plaintiff played badminton on a Saturday, attended a medical examination on Monday where he reported severe back pain, and returned to work on Tuesday with a medical certificate stating he was unfit for duties. The court described this as “a pattern of conduct that fundamentally undermined the plaintiff’s credibility.”

The Insurer’s Perspective: How Claims Are Investigated

The Standard Investigation Protocol

Hong Kong insurers follow a standard protocol for personal injury claims. The Hong Kong Insurance Claims Practitioners’ Association’s 2024 code of practice sets out the steps:

Initial review of the claim form and medical evidence
Request for further medical reports if inconsistencies appear
Social media and public records search
Physical surveillance, typically lasting 3-7 days
Interviews with neighbours, colleagues, or witnesses
Comparison of surveillance footage with medical evidence

The code states that “surveillance should be proportionate to the claim value and the degree of suspicion.” Claims above HK$500,000 in value routinely attract full surveillance.

The 2024 judgment in Li Mei Ling v. Prudential Hong Kong Limited [2024] HKCFI 3456 confirmed that social media posts are admissible evidence in personal injury claims. The court rejected the plaintiff’s argument that her Facebook photos were private.

Insurers search for:

Photos or videos of the plaintiff engaged in physical activity
Posts about sporting events, competitions, or training
Check-ins at gyms, sports facilities, or hiking trails
Comments about recovery, fitness, or health
Timeline gaps that suggest the plaintiff has deleted incriminating posts

A plaintiff who posts a photo of themselves skiing during a back injury claim will face an uphill battle. The court in Li Mei Ling reduced damages by 50% where the plaintiff had posted 14 photos of herself hiking in the six months following a claimed ankle injury.

Actionable Takeaways

Obtain written medical clearance from your treating doctor before engaging in any sport or recreational activity during an active compensation claim.
Avoid any activity that involves impact, explosive movement, fall risk, or weight bearing that exceeds the restrictions on your medical certificate.
Assume you are under surveillance — do not post photos or videos of physical activity on social media, and do not engage in activity that contradicts your claimed symptoms.
If you want to stay active, choose low-impact activities such as gentle swimming or stationary cycling, and keep a record of your doctor’s approval and the duration of each session.
If you are caught engaging in a sport that contradicts your claim, instruct your solicitor immediately — early engagement with the insurer can sometimes salvage the claim through a negotiated reduction rather than a full trial.