Pilates Frogs and Circles on Reformer: A Complete Guide to Strength, Flexibility, and Core Control
27/01/2026Pilates Frogs and Circles on Reformer is an essential exercise in the training routine of anyone who loves Pilates. This exercise not only helps improve strength and flexibility but also provides a sense of relaxation, relieving stress after a long working day. Let’s explore how to perform, the benefits, and important notes of the Pilates Frogs and Circles on Reformer in this article.
What Is Pilates Frogs and Circles on Reformer?
Pilates Frogs and Circles on Reformer is a unique combination of two main movements: Frogs and Leg Circles, performed with the legs placed in the straps on the Reformer machine. These exercises help strengthen muscles, especially the thighs, hips, abdominal muscles, and core, while also improving overall body flexibility. When performed on the Reformer, the exercise enhances movement control and provides resistance, increasing training effectiveness.

Pilates Frogs and Circles on Reformer.
Muscle Groups Activated During Frogs and Circles on Reformer
- Abdominal and core muscles: These are the primary muscles engaged in both movements. Maintaining balance and controlling motion on the Reformer helps strengthen the core, especially the lower abdominals.
- Front and back thigh muscles: Frogs is particularly effective in toning the quadriceps and hamstrings. The continuous flexion and extension of the legs improve flexibility and strength in these muscle groups.
- Hip muscles: Circles focus on enhancing hip flexibility and control, helping improve mobility and supporting daily activities such as walking and standing upright.
This exercise is suitable for all levels, especially for those who want to strengthen the lower body, improve core control, and support daily posture.
Benefits of Pilates Frogs and Circles on Reformer
Pilates Frogs and Circles on Reformer offers many outstanding benefits for the body. Below are the key advantages of this exercise.

Benefits of the Frogs and Circles exercise on the Reformer.
1. Improve Flexibility and Muscle Tone
Frogs and Circles directly target the thighs, hips, abdomen, and especially the core muscles. The leg extension and flexion in Frogs help stretch and tone the front and back thighs while activating the abdominal muscles, resulting in a firmer midsection. Meanwhile, Circles enhance hip flexibility and smooth movement control.
The combination of these two movements improves overall lower-body flexibility, tones muscles, and enhances coordination between muscle groups. This helps practitioners feel lighter and more agile in daily activities.
2. Enhance Overall Health
Frogs and Circles not only develop muscular strength but also contribute to overall health. Using the Reformer with spring resistance helps build muscle strength without placing excessive stress on the joints. This exercise supports endurance and stamina while improving balance and control.
In addition, regular practice of Pilates Frogs and Circles on Reformer helps support blood circulation, improve digestion, and promote deeper sleep through controlled breathing and steady rhythm.
3. Improve Posture and Reduce Back Pain
Frogs and Circles focus on strengthening the core, especially the abdominal and lower back muscles. When the core is strong, the spine receives better support, reducing tension and pressure on the back. This not only improves overall posture but also helps relieve back pain, particularly for those who sit for long hours or have poor posture.
How to Perform Pilates Frogs and Circles on Reformer
Pilates Frogs and Circles on Reformer is an excellent combination of body control and flexibility. To achieve maximum results and avoid injury, it is important to perform each movement correctly. Below is a detailed guide to help you practice safely and effectively.
Reformer Setup
Use 2 medium springs, lower the footbar, raise the headpiece, and attach long straps.
Starting Position
- Lie on your back with knees bent, place each foot into the straps, heels touching, toes turned outward, and knees opening to the sides (Frogs position).
- Arms rest alongside the body, palms facing down, keeping shoulders and back firmly on the carriage.
How to Perform Frogs on Reformer

Perform Frogs on Reformer.
- Start in Frogs position: Heels together, knees open, toes turned outward.
- Extend the legs: Engage the thighs and abdominals to press the legs out diagonally upward. Do not lift too high or too low. Keep the back and tailbone heavy on the carriage, avoiding arching the lower back.
- Return: Bend the knees and draw the legs back to the starting position with control, preventing the springs from pulling the legs back too quickly.
- Repeat: Perform 3–5 repetitions, focusing on the engagement of the thigh and abdominal muscles.
How to Perform Circles on Reformer

Perform Circles on Reformer.
- Extend the legs: From the Frogs position, straighten the legs, keeping them parallel with heels together.
- Draw circles: Using the hips and thighs, draw large circles within the Reformer frame. Keep the tailbone grounded and the core stable.
- Change direction: Perform 3-5 circles in one direction, then reverse.
Note: Movements should be smooth and controlled, not too fast or too wide, to maintain control and maximize effectiveness.
Performing Pilates Frogs and Circles on Reformer with proper technique allows you to fully benefit from the exercise. Start slowly and focus on form before increasing intensity or resistance to ensure safety and effectiveness.
Common Mistakes and How to Fix Them
Below are some common mistakes when practicing Frogs and Circles on Reformer that you should be aware of to ensure safety and effectiveness.
- Arched or unstable lower back: A common mistake is lifting the lower back off the carriage, which increases pressure on the spine. Focus on keeping the back grounded and controlling your breathing. Always engage the abdominals to support the spine.
- Moving the legs too quickly: During Circles, moving too fast can reduce control and effectiveness. Perform the movement slowly and deliberately to fully activate the muscles.
- Incorrect leg position in Frogs: Ensure the heels stay together and the knees open outward. Incorrect leg alignment reduces engagement of the thighs and abdominals.
Pilates Frogs and Circles on Reformer is an excellent exercise to develop strength, flexibility, and full-body control. With the detailed guidance above, you can confidently practice at home by focusing on proper technique and listening to your body. Stay consistent and combine this exercise with other Pilates movements to enhance results and experience positive changes in your body every day.






