At Body Mechanics in Oegstgeest, near Leiden, we offer personalized personal training programs designed to help you reach your fitness goals—whether you’re building strength, improving mobility, or recovering from injury. Our experienced personal trainers, including Peter Fenwick, the founder of Body Mechanics and the creator of our tailored programs, ensure each program is suited to your unique needs. Drawing from Peter’s extensive experience in movement science, physiotherapy, and bodywork, we take a holistic approach to help you achieve lasting results in functional fitness, postural correction, and mobility enhancement. Explore our programs and prices below to find the right fit for your journey.
During the free intake we perform a science-based movement analysis covering 7 key areas, including knees, hips, shoulders, and core. We identify imbalances and finish with 20–30 minutes of targeted training tailored to your body and goals.
Unlimited Training Access / 45 min.
Want the flexibility to train when it suits you, but with the commitment of a well-structured plan that keeps you on track? Book 20 sessions in advance, and as a bonus, get 1 session free to kickstart your journey!
8 Weeks | 1× per week 45/60 min.
This program focuses on building strength, improving mobility, and establishing key movement patterns to set you up for long-term success. Perfect for those starting out or refining the basics.
12 Weeks | 1× per week 45/60 min.
Build on your foundation with extra sessions focused on enhancing strength, mobility, and functional fitness. This program adds more personalized attention to help you progress faster and refine your movement patterns.
Six-month program | 2× per week 45/60 min.
For those ready to achieve more. This program includes two sessions per week for six months, providing focused training to help you build strength, enhance mobility, and reach your fitness goals faster with consistent, personalized guidance.
Year program | 2× per week 45/60 min.
For those committed to transforming within a year. This program provides intensive, personalized training to help you achieve your most ambitious fitness goals, with the support and guidance you need to see lasting change.
12 Weeks | 1× per week 45/60 min.
When you have a partner by your side, progress feels more rewarding. Duo Training lets you push each other, stay motivated, and celebrate every milestone together. With personalized coaching and support, reaching your fitness goals becomes a journey that’s faster, more fun, and more successful.
12 Weeks | 2× per week 45/60 min.
Train twice a week with a partner to reach your goals faster. Personalized coaching keeps you motivated, challenges you both, and delivers real results. Whether building strength, improving mobility, or boosting endurance, Duo Training provides the perfect support and accountability.
4 Weeks | 6× 45/60 min. flex
Created by Peter Fenwick, this proven challenge is designed to help you lose weight and transform your body in just 28 days. With personalized coaching, targeted exercises, and expert nutrition guidance, you’ll see real results.
€69 / 20 min.
Release muscle tension and restore movement with our targeted Trigger Point Therapy Sessions. Focused on alleviating knots and tightness, this session helps improve mobility, reduce pain, and enhance overall function.
12 Weeks | 1× per week 45/60 min.
Support your body through pregnancy and recovery. We focus on helping expectant and new mothers feel strong, balanced, and energized. We guide you through a safe and effective journey—before and after birth.
Target tension and misalignment to restore posture, relieve discomfort, and improve mobility with a focused massage session. Perfect for addressing chronic pain or enhancing movement, this treatment is designed to help you feel more at ease in your body.
Boost focus, resilience, and productivity with coaching that empowers teams and leaders to excel—mentally and physically. Create a high-performing workplace where well-being and success go hand in hand.
Coming Soon: Our Open Gym Hours will soon be available for Body Mechanics members! You’ll have the opportunity to work on your personal fitness goals, using the space and equipment at your own pace to keep making progress. Stay tuned!
Move Better, Feel Stronger - Guided by Expertise
Want to learn more about Peter Fenwick’s expertise? As the founder of Body Mechanics and the creator of our tailored programs, Peter brings extensive knowledge in movement science, physiotherapy, bodywork, and functional fitness. His holistic approach helps you improve strength, mobility, and overall well-being.
Discover how his expertise can support your journey—click below to learn more!
It’s the best decision you’ll ever make. Let us guide you to a stronger, healthier you!
Fill out the form below, and we will be in touch shortly.
Fill out the form below, and we will be in touch shortly.