CategoryAquatic
Session30 - 90 min

Scuba diving emphasizes controlled movement, breathing, awareness, and light to moderate effort underwater. It is not usually a cardio workout in the traditional sense, but it still involves equipment handling, finning, buoyancy control, and environmental awareness. Conditions, current, depth, and gear can change the physical demand.

Exercise Metrics

Fitness Profile [1]

Strength
3
Low-Intensity Cardio (aerobic)
2
High-Intensity Cardio (peak)
0
Mobility & Flexibility
2
Balance
3
Estimated impact of the activity on the 5 key fitness dimensions for longevity.
Based on Bryan Johnson's Blueprint Protocol.

Heart Rate Zones [2]

0
Rest
0 - 49 %
1
Very easy
50 - 59 %
2
Easy aerobic
60 - 69 %
3
Moderate aerobic
70 - 79 %
4
Hard
80 - 89 %
5
Very hard
90 - 100 %
Typical distribution as % of HR max.
Actual values depend on workout intensity, fitness level, duration, and individual physiology.

Activity Type Details

Apple Health label
Underwater Diving
HealthKit reference [3]
.underwaterDiving
MET [4]
5.3 - 7
Typical session duration
30 - 90 min
Recommended fitness level
Intermediate
Injury risk
Medium

Training advice

Benefits

Scuba diving emphasizes calm breathing, buoyancy control, awareness, mobility, and efficient movement with equipment. It can be physically meaningful without resembling a conventional workout.

What to watch out for

Diving has specialized safety requirements. Follow certification limits, buddy procedures, ascent rules, and environmental planning, and do not dive when health, equipment, or conditions are questionable.

Streakout app preview – Summary, Insights & Timeline
Visualize the Scuba Diving workout stats on your iPhone
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Explore other Activity Types in the Aquatic category:

[1]
Learn more about fitness longevity dimensions in the "5 Pillars of Exercise for Longevity" resource.
[2]
Learn more about Heart Rate Zones in the "Heart Rate Zones Explained" resource.
[3]
The HealthKit HKWorkoutActivityType value this Activity Type is associated with.
[4]
MET (Metabolic Equivalent of Task) expresses how much energy an activity requires compared with rest. It is commonly used together with body weight and exercise duration to estimate calorie burn.
Disclaimer
The content on this page is for general informational purposes only and not intended as medical advice. Provided metrics are for the most part estimates and might not be based on clinical evidence. The goal is to provide directional guidance and improve the models over time.