Last updated: 9 September 2026
Calisthenics, strength training and physical exercise involve inherent risks.
The training methods provided by Sjakie Calisthenics may include physically demanding exercises and advanced movements.
These may include:
Participation in physical exercise carries a risk of injury.
By participating in the coaching program, you acknowledge that you are responsible for making decisions about your own participation in exercise and for training within your own abilities and limitations.
Do not attempt exercises beyond your current abilities without appropriate progression, preparation and control.
You are responsible for:
If you are unsure whether you can safely perform an exercise, seek appropriate professional advice.
Sjakie Calisthenics does not provide medical care, diagnosis, physiotherapy or emergency services.
You should seek advice from an appropriately qualified healthcare professional where necessary, particularly if you have concerns regarding:
Stop exercising and seek appropriate professional advice if you experience severe or unusual pain, dizziness, chest pain, loss of consciousness or other concerning symptoms.
Nutrition and lifestyle guidance provided through Sjakie Calisthenics is general coaching guidance.
It is not intended to replace personalised medical, dietary or healthcare advice.
If you have medical, dietary or other health concerns, seek advice from an appropriately qualified professional.
You remain responsible for your own actions and decisions during training.
You decide whether, when and how to perform an exercise.
You should never ignore concerning symptoms or continue an exercise where doing so may be unsafe.
Nothing in this disclaimer removes liability that cannot legally be excluded under applicable law.
Sjakie Calisthenics does not guarantee specific results.
Individual results vary significantly.
Your progress may depend on factors including:
Testimonials, transformations and client achievements displayed by Sjakie Calisthenics represent genuine experiences of individual clients.
However, individual client results are not necessarily typical or representative of the results that other clients will achieve.
Exceptional results should not be interpreted as guarantees or promises that you will achieve the same result.
Examples of exceptional results, such as achieving a full planche within a specific period of time, are individual results and depend on many personal factors.
Sjakie Calisthenics does not guarantee that you will achieve:
Your results will depend on your individual circumstances.
Information on this website is provided for general purposes and may become out of date.
This website links to third-party platforms, including Instagram, YouTube and Calendly. Sjakie Calisthenics has no control over their content, availability or practices and is not responsible for them.
To the fullest extent permitted by Dutch law, Sjakie Calisthenics accepts no liability for injury, loss or damage arising from the use of this website or its content.
Nothing in this disclaimer limits liability for death or personal injury caused by intent or gross negligence, or any other liability that cannot lawfully be excluded.
Questions regarding this disclaimer can be sent to:
See also our Terms & Conditions and Privacy Policy.