As an osteopath with a keen interest in biomechanics and cycling, I believe that optimizing gluteal muscle activation is both medically and athletically essential for cyclists. While the quadriceps often dominate the pedal stroke, the gluteal muscles—especially the gluteus maximus—are frequently underutilized, yet they are crucial for power, efficiency, and injury prevention.

Why Gluteal Activation Matters
The gluteus maximus is the largest and one of the most powerful muscles in the body, acting as a primary hip extensor during the downstroke of cycling. The gluteus medius and minimus stabilize the hip and control lateral movement, contributing to knee and pelvic stability25. However, due to the repetitive nature of cycling and limited hip extension, many cyclists develop a dominance of the quadriceps and hamstrings, often leading to ‘gluteal amnesia’—a neuromuscular inhibition of the glutes27.

Medical Benefits

• Injury Prevention: Weak or inactive glutes can contribute to lower back pain, knee instability, and overuse injuries in the lower limb. Strong, well-activated glutes help maintain proper alignment of the hip and knee, reducing the risk of common cycling injuries235.
• Postural Stability: The glutes play a key role in stabilizing the pelvis and trunk, which is essential for efficient force transfer and injury prevention during long rides or high-intensity efforts56.

Performance Benefits

• Power Production: The glutes contribute significantly to the force generated during the power phase of the pedal stroke, particularly from the top (12 o’clock) to the bottom (5 o’clock) of the crank cycle459. Enhanced gluteal activation can increase overall power output, especially during climbs and sprints.
• Pedaling Efficiency: Balanced muscle recruitment reduces fatigue and improves pedaling economy, allowing cyclists to sustain higher outputs for longer periods25.
• Climbing Ability: Gluteal strength is particularly important for climbing, where hip extension and stabilization are critical for maintaining cadence and power5.

Practical Strategies for Improving Gluteal Activation Based on both research and clinical observation, the following strategies can facilitate greater gluteal engagement:

• Bike Fit and Posture: A forward-rotated pelvis and a more compact torso position can pre-tension the gluteal muscles, making them more accessible during the pedal stroke1. Proper weight distribution, using the handlebars and saddle as stabilizing points, enhances pelvic stability and gluteal recruitment.
• Pedaling Technique: Focusing on ankle stability and maintaining a slight downward foot inclination (10–20 degrees) during the power phase can help maintain tension through the posterior chain, supporting gluteal activation.
• Neuromuscular Activation: Incorporating glute activation exercises (e.g., bridges, banded walks) and dynamic hip flexor stretches into warm-ups can prime the glutes for better engagement during cycling128.
• Progressive Overload: Gradually increasing power output during training sessions has been shown to increase gluteal muscle recruitment, as demonstrated by EMG studies in professional cyclists9.
• Conclusion: Prioritizing gluteal activation in both training and bike fitting not only enhances cycling performance but also plays a pivotal role in preventing injuries and maintaining musculoskeletal health. By integrating targeted exercises, optimizing bike setup, and refining pedaling technique, cyclists can unlock the full potential of their gluteal muscles for a stronger, safer, and more efficient ride.

The above notes are the result of my everyday experience as an osteopath, bike fitter, cyclist and my conversation with perplexity.ai

From a medical standpoint, crank length primarily impacts the hip and knee joints. At top dead center (TDC), the hip reaches maximum flexion, and we need to generate significant force. However, working hard at a joint's extreme range isn't ideal. Shorter cranks reduce hip strain at TDC, promoting better comfort and longevity.
From a performance perspective, shorter cranks engage the quads and glutes earlier and support a more aerodynamic position. The trade-off? Slightly reduced torque, requiring a higher cadence to maintain power.
Recently, more athletes have been diagnosed with Flow-Limited Iliac Artery (FLIA)—a condition restricting blood flow to the leg, causing sharp pain and power loss. Extreme aerodynamic positioning is a suspected contributor. High-profile cyclists like Joe Dombrowski, Fabio Aru, Annemiek Van Vleuten, and Carlotta Fondriest have all been affected.
Shorter cranks might not be a universal solution, but they can help reduce joint strain and potentially lower FLIA risk—something worth considering for both comfort and performance.

SHORTER CRANKS ARE BETTER❤️

After a great summer and long epic rides, this is the time to recover and preparing for next season.
Where to start improving performance? ​Let's have a look at our core strength and stability using the single leg bridge.
Follow the video below, get into activation mode and attempt to keep the position for 10 seconds. Try to keep your pelvis as stable as possible, don't make it drop or shift on one side and look for instabilities.
The single leg bridge is a simple and quick test to verify gluteal, abdominal and lower back muscle groups strength and asymmetries in bulk and motor/sensory control. 

Thanks to ​www.rehabmypatient.com