If you thought you already knew the answer, read on. (It’s not that simple.)

The Muscle-Building Benefits of Trail Running

Trail running involves navigating various terrains, including hills, rocky paths and uneven surfaces.

This dynamic environment engages multiple muscle groups simultaneously, providing a comprehensive workout that targets both lower and upper body muscles.

UPHILL RUNNING: ENGAGING THE LOWER BODY

Research published in the Journal of Strength and Conditioning Research highlights the muscle activation patterns during uphill and downhill running.

The study found that climbing primarily engages the quadriceps, hamstrings and glutes, which are crucial for building lower body strength.

Downhill Running: Strengthening Key Muscles

Descending works the quadriceps, calf muscles and hip flexors. No, this doesn’t necessarily speak only to trail running, but an advantage of trail running in South Africa is that most trails are in the mountains. 

This means trail running can indeed stimulate muscle growth and strength development across different regions of the body.

Core Stability: The Importance of Uneven Terrain

This brings us to the surface underfoot. The instability of trail surfaces requires not only the perfect trail shoe but greater stabilisation efforts from core muscles, including the abdominals, obliques and lower back muscles.

A study in the European Journal of Sport Science investigated the impact of trail running on core muscle activation. The researchers observed significant activation of core muscles during trail running, indicating its effectiveness in strengthening the core musculature.

Promoting Hypertrophy Through Trail Running

In addition to muscle activation, the repetitive nature of trail running promotes hypertrophy, the process of muscle growth in response to resistance training. 

The constant contractions and lengthening of muscles during uphill climbs and descents create micro-tears in muscle fibres, prompting the body to repair and rebuild them stronger and more resilient. 

Over time, this adaptation leads to noticeable improvements in muscle size and definition.

Nutrition and Recovery

Also, it is important to note that nutrition plays a pivotal role in supporting muscle growth and recovery.

Consuming an adequate amount of protein, carbohydrates and micronutrients is essential for replenishing energy stores, repairing muscle tissue, and facilitating adaptation to training stimuli. 

For those looking to enhance their performance further, certain supplements can be beneficial. Can creatine improve your running? Learn more about its potential benefits and how it might aid in your training regimen.

To sum it all up then, it's essential to recognise that the extent of muscle building from trail running may vary depending on several factors, including frequency, intensity, duration and individual physiology.

While trail running can contribute to muscle development, it may not produce the same degree of hypertrophy as traditional resistance training exercises, such as weightlifting or bodyweight exercises specifically targeting muscle groups.