Pilates is often associated with a specific aesthetic: long, lean muscles and an elegant posture. Many people incorrectly assume that this form of exercise is solely responsible for the aesthetic.
Joseph Pilates didn’t quite define a “Pilates body”. A deep dive into his original 1945 text, Return to Life Through Contrology, reveals a philosophy focused on function, control, and whole-body health, not just appearance.
This article explores how Pilates can change your body, what a “Pilates body” really means, and everything else there is to know.
Joseph Pilates’ vision wasn’t about aesthetics, but about achieving “the attainment and maintenance of a uniformly developed body with a sound mind”. He promised that faithful practice would lead to a body development “approaching the ideal”. This ideal was rooted in functional changes, not a specific look.
Posture and Alignment Changes
One of the most immediate and visible changes from Pilates is improved posture. Pilates described his method as one that “corrects wrong postures”. This is achieved by strengthening the deep postural muscles that support the skeleton (1).
Exercises focus on creating a balanced structure, which reduces common issues such as forward head posture, rounded shoulders (thoracic kyphosis), and an overly arched lower back (lumbar lordosis). The result is a taller, more upright, and effortlessly graceful carriage (1).
The practice also encourages postural awareness, where you catch yourself in a not-so-ideal posture and correct it. Being aware and correcting your posture will surely improve many of the issues that arise from maladaptive movement (1). If you’re curious about Pilates body changes, check out our earlier article.
Muscular Balance and Flexibility vs. Hypertrophy
Pilates was clear that his method wasn’t designed to produce “bulging muscles”. He aimed for a body that was “supple as that of a cat”, emphasizing flexible, elongated muscles over sheer size (2).
The goal is “uniform development”, where smaller, often-neglected stabilizer muscles are strengthened to support the larger prime movers. This balance prevents the “muscle-bound” look and creates a streamlined, toned physique without significant muscle bulk (hypertrophy) (3).
Spinal Mobility and Perceived Age
For Pilates, the true measure of age was spinal flexibility. He famously stated, “If your spine is inflexibly stiff at 30, you are old; if it is completely flexible at 60, you are young”.
The matwork sequence involves constant “rolling” and “unrolling” of the spine, vertebra by vertebra. This articulates the 26 bones of the spine, hydrates the intervertebral discs, and releases stiffness, leading to a more youthful and fluid range of motion (4).
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Gait and Movement Efficiency
Contrology, as Pilates called it, is designed to instill “natural grace, and skill that will be unmistakably reflected in the way you walk” (2).
By strengthening the core, improving pelvic stability, and teaching efficient muscle recruitment patterns, Pilates refines how you move through daily life. This results in a poised, balanced walk where energy is conserved, which makes movement feel lighter and more effortless (5).
Breathing Mechanics and Thoracic Mobility
Pilates considered breathing the “first act of life, and the last”. His method emphasizes deep, full breaths, instructing practitioners to “squeeze every atom of impure air from your lungs” (2).
This diaphragmatic breathing, coordinated with movement, acts as an “internal shower”, oxygenating the blood and improving circulation. It also mobilizes the ribcage and thoracic spine, areas that are often rigid from sedentary lifestyles, further enhancing posture (6, 7).
Neuromuscular Control and “Mind Over Body”
A central principle of Pilates is “gaining the mastery of your mind over the complete control of your body”. This involves intense concentration on each movement, reawakening dormant neural pathways between the brain and muscles.
This improved mind-muscle connection leads to greater precision, coordination, and control, refining movement quality and preventing injury (8).
Read more: Is Pilates Good for Core Strength? The Science-Backed Answer
There is no single “Pilates body”. The aesthetic outcomes of a consistent practice are shaped by genetics, nutrition, hormones, and other forms of exercise.
However, Pilates promotes specific physiological adaptations that create a recognizable look of strength, length, and alignment.
Enhanced Scapular Stability and Thoracic Extension
Pilates heavily targets the scapular stabilizers, including the serratus anterior and lower trapezius muscles (9).
Strengthening these muscles helps anchor the shoulder blades flat against the ribcage, correcting “winged” scapulae and reducing tension in the neck and upper shoulders (10).
When combined with improved thoracic extension, this creates an open chest and a posture that appears longer and more confident (9).
A Strong, Integrated Core
The method is famous for building core strength, but it goes far beyond the superficial “six-pack” muscles. Pilates focuses on the deep core system:
Strengthening this system from the inside out creates a genuinely flat and firm abdomen by improving support for the internal organs and stabilizing the lumbar spine (12). For more details about Pilates body vs weight lifting, take a look at our prior publication.
Corrected Pelvic Alignment and Gluteal Function
Many people suffer from an anterior pelvic tilt, where the pelvis tips forward, which causes an exaggerated lower back curve and a protruding abdomen. Pilates corrects this by strengthening the gluteal muscles (hip extensors) and abdominal wall while lengthening tight hip flexors (1).
This brings the pelvis into a neutral alignment, which flattens the lower belly and creates a more lifted, defined shape in the glutes.
Improved Lower Body Tone and Flexibility
Pilates develops long, defined muscles in the legs. Exercises target the hip abductors (outer thighs) for stability, the adductors (inner thighs) for control, and promote hamstring flexibility (13).
This balanced approach creates lean lines and improves the function of the entire leg, from the hip down to the calf-ankle complex, contributing to a graceful and powerful gait.
Pilates isn’t a magic bullet for spot-reducing belly fat. Fat loss occurs when you’re in a consistent calorie deficit, which means you burn more energy than you consume (14). While Pilates contributes to this equation, its primary strengths lie elsewhere.
A typical mat Pilates class offers a moderate calorie burn, comparable to a light walk (15). However, you can increase this energy expenditure.
More advanced classes that flow quickly between exercises, reformer sessions with added spring resistance, and movements that incorporate larger ranges of motion all demand more energy (15). Increasing time under tension – holding challenging positions or moving slowly – also elevates the metabolic cost.
While direct calorie burn may be moderate, Pilates supports fat loss in several powerful, indirect ways:
To effectively use Pilates for a leaner midsection, integrate it into a comprehensive lifestyle. Aim for 2 to 4 sessions per week, progressively increasing the intensity as you become stronger.
Combine this with a diet rich in protein, a focus on increasing your daily step count, and 1-2 sessions of dedicated resistance training to maximize muscle building and metabolic health. Our previous post goes into great detail about the benefits of Pilates reformer.
Joseph Pilates developed a sequence of 34 mat exercises designed to uniformly develop the body. These foundational movements are the building blocks for creating the strength, flexibility, and control that Pilates is known for.
Below are ten essential exercises, with steps adapted directly from Return to Life Through Contrology.
The Hundred
This is a classic breathing and endurance exercise that warms up the body and challenges the abdominals.
The Roll Up
This movement articulates the spine and strengthens the abdominal muscles.
The One Leg Circle (Both Ways)
This exercise promotes hip mobility and pelvic stability.
Rolling Back
Often called “Rolling Like a Ball”, this exercise massages the spine and challenges core control.
The One Leg Stretch
This movement builds abdominal endurance and coordination.
The Double Leg Stretch
A powerful exercise for the deep abdominals.
The Spine Stretch
This exercise stretches the hamstrings and decompresses the spine.
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The Swan-Dive
A key back-extension exercise that strengthens the entire posterior chain.
The Side Kick
This exercise targets the hips, glutes, and inner thighs while challenging stability.
The Teaser
A signature Pilates exercise that tests the ultimate combination of strength, flexibility, and control.
A well-rounded Pilates routine should focus on flow, precision, and whole-body integration. This program uses the above exercises to create a balanced workout. The goal isn’t just to complete the movements, it’s to perform them with maximum control and attention to breath.
Frequency: Perform this routine 3-4 times per week, with at least one full rest day between sessions.
Structure:
Workout Program:
Rest: Move smoothly from one exercise to the next with minimal rest. This builds endurance and maintains the “flow” that is central to Pilates. Take a few deep breaths between exercises if required.
Progression Notes:
Pilates is excellent for activating, strengthening, and building endurance in the gluteal muscles, which can give them a more lifted and defined appearance. However, significant muscle growth (hypertrophy) requires substantial overload. For more noticeable size gains, you need to supplement mat Pilates with reformer work using heavy springs or traditional resistance training exercises such as squats and deadlifts. Pilates develops a strong, integrated core by targeting deep muscles such as the transversus abdominis and obliques, as well as the more superficial rectus abdominis (the “six-pack”). This creates a genuinely flat, firm, and functional midsection. However, visible abs depend on having a low enough body fat percentage to reveal the muscle underneath. Pilates supports this by building metabolically active muscle and reducing stress, but proper nutrition is the most important factor for a visible six-pack. An “hourglass” figure is largely determined by genetics. Unfortunately, no exercise can change your fundamental bone structure or where your body naturally stores fat. However, Pilates can create the illusion of an hourglass shape by: It enhances the physique you have, promoting symmetry and graceful lines. Neither is inherently “better”, they simply have different origins and primary objectives. Pilates is a system of exercises that is focused on core stability, spinal articulation, and precise, controlled movements, often against spring resistance. Yoga is an ancient spiritual and physical practice with many styles, typically involving holding postures (asanas) and focusing on the union of mind, body, and spirit. The best choice depends on your goals. Pilates is often chosen for functional strength and postural correction, while yoga is excellent for flexibility and mindfulness. The two practices complement each other very well.Frequently Asked Questions
Can Pilates grow your glutes?
Can Pilates give you a six-pack?
Does Pilates give you an hourglass body?
Is Pilates better than yoga?
Ultimately, Pilates offers a powerful blueprint for transforming your body from the inside out. By emphasizing uniform development, better posture, spinal mobility, and mindful control, you’ll notice improvements in both how you look and how you feel. Are you ready to see results?
Start with the foundational mat routine 3-4 times per week and complement your practice with protein-forward nutrition, daily movement, and a consistent resistance training habit. Commit to this balanced approach and experience the benefits of Pilates in every aspect of your well-being.
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