Breath-by-breath cardiometabolic data during walking and tango walk at self-selected speed

Each entry corresponds to one subject and includes both static metadata and dynamic time-series measurements. Structure Overview Each JSON block includes the following components: subject_id: Unique identifier for the participant, extracted from the filename or cell A1 of the original Excel sheet. metadata: Key descriptive fields about the subject and test context.

These include: age: Age of the subject at the time of testing height_cm: Height in centimeters weight_kg: Weight in kilograms sex: Biological sex test_type: Type of test performed (e.g., maximal, submaximal) test_date: Date of the test session subject_type: Classification of the subject (e.g., healthy, clinical) birth_date: Date of birth test_reason: Stated reason or objective for the test data_table: Time-series measurements recorded during the test.