Yoga Safety Myths: 6 “Rules” You Can Rethink for a Fearless Practice

Published March 2, 2026 05:36AM

Questioning Yoga’s “Rules” for a More Empowered Practice

How many times have you heard a yoga instructor say, “Don’t lift your shoulders!” or “Make sure you don’t bend your knees past 90 degrees?” These cautions, while well-intentioned, often stem from a limited understanding of individual anatomy and movement mechanics. A growing conversation within the yoga community suggests that many commonly held “safety rules” are worth reconsidering, potentially unlocking a more comfortable and empowering practice for a wider range of bodies. The core idea isn’t to disregard safety, but to move beyond blanket statements and cultivate a deeper awareness of your own body’s capabilities and limitations.

Jenni Rawlings, a yoga teacher specializing in anatomy, biomechanics, and movement science, poses a crucial question: “Do we want yoga practitioners to be scared and fearful or empowered in their bodies?” This shift in perspective encourages practitioners to focus on sensations, breath, and intention, rather than rigidly adhering to potentially outdated or overly restrictive cues. It’s about finding what *works* for you, not what a generalized “rule” dictates.

Shoulder Blade Positioning in Arm Raises

A frequent instruction in yoga is to keep the shoulder blades down, particularly when the arms are by your sides. The intention is to prevent tension in the neck muscles. However, this cue doesn’t translate well to all arm positions. Rawlings explains that when the arms lift overhead, the shoulder blades are naturally meant to upwardly rotate and elevate. This isn’t something to “fix,” but a normal part of healthy shoulder mechanics.

In poses like Upward Salute (Urdhva Hastasana), Downward-Facing Dog (Adho Mukha Svanasana), and Extended Side Angle Pose (Utthita Parsvakonasana), allowing the shoulders to move naturally can improve the pose. Some activation of the upper trapezius muscles is normal and not necessarily cause for concern.

Knee Bend and the 90-Degree Rule

B.K.S. Iyengar’s influential Light on Yoga repeatedly instructs maintaining a 90-degree angle in the front knee during poses like Warrior I and II. However, Rawlings suggests this isn’t necessarily about safety, but rather a specific interpretation of the poses by Iyengar.

Bending the knee more or less than 90 degrees, if it feels comfortable, is unlikely to cause harm. Allowing the knees to move forward shifts the function to the quadriceps, while sitting the hips back engages the glutes, hamstrings, and adductors. Experimenting with different degrees of knee bend allows you to challenge different muscle groups and discover what feels best for your body.

Tree Pose and Foot Placement

A common warning in Tree Pose (Vrksasana) is to avoid placing the foot directly on the inner knee, based on the idea that the knee is a simple hinge joint unable to withstand sideways pressure. Rawlings challenges this notion, explaining that the knee actually handles multi-directional forces in everyday life and in other yoga poses like Side Plank (Vasisthasana) and Warrior 2. The load in Tree Pose is relatively small and well within the joint’s capacity.

The key is comfort. If placing your foot on the inner knee doesn’t feel ideal, choose a different foot placement – above or below the joint.

Spinal Flexion and Rolling Up

Movements involving spinal flexion, like sit-ups, crunches, and rolling up from lying down, are often cautioned against in yoga due to concerns about lower back injury. However, Rawlings argues that spinal flexion isn’t inherently harmful. The spine is designed to move, including rounding.

These movements aren’t more dangerous than Plank or other isometric core work; they simply train the abdominal muscles dynamically. Rolling up from the floor even mimics everyday actions like sitting up in bed.

Jumping Back to Plank

Concerns about jumping back to Plank from Standing Forward Bend often center on potential stress to the wrists, elbows, and shoulders. However, Rawlings points out that the hands remain planted during the jump, meaning most of the impact is absorbed through the feet, not the upper body.

Jumping back to Plank isn’t necessarily better than lowering down, as the latter requires more strength and places greater muscular demand on the arms and shoulders. Both options are reasonable and depend on personal preference.

Rib Flare in Backbends

The cue “Don’t poke your front ribs out” is common in yoga, often intended to encourage core engagement and prevent overextension. Rawlings suggests that rib flare isn’t necessarily a problem. It’s difficult to reliably measure, and there’s no evidence linking it to pain or injury.

Protrusion of the front ribs is normal in backbends, and rib cage shape varies naturally from person to person. Adjusting your ribs if it feels better is fine, but it’s not a mandatory “fix.”

Cultivating Body Awareness and Discernment

Safety in yoga is paramount, but it’s not a one-size-fits-all concept. Practitioners can honor their own experiences by practicing in a way that feels good, and teachers can foster a safer environment by offering guidance that encourages mindful exploration and empowers students to choose variations that suit their individual needs. Paying attention to sensations – dizziness, wobbliness, tension, or discomfort – is crucial. If you reach your limit, ease out of the position or lessen the intensity. Remember, discomfort isn’t necessarily dangerous; it’s a signal to adjust.

Recent legal developments also highlight the evolving landscape of yoga practice. As reported by the Times of San Diego and the San Diego Union-Tribune, a federal appeals court recently ruled that San Diego’s ban on yoga classes in parks and beaches was unconstitutional, affirming the rights of yoga instructors to offer classes in public spaces. This decision underscores the growing recognition of yoga as a legitimate and beneficial practice.

As you question traditional cues and trust your own judgment, remember that the goal is to cultivate a practice that feels safe, empowering, and sustainable for *you*.