Brian Sutton
NASM-CPT, CES, PES, NASM Master Instructor
The Case for Barefoot Training
The benefits of barefoot training are real and worth understanding.
Improved Proprioception
The plantar surface of the foot contains an extraordinary density of mechanoreceptors that provide sensory feedback about ground contact, pressure distribution, and body position. Footwear reduces sensory input.
Training barefoot or in minimalist footwear temporarily enhances proprioceptive input that can improve balance and movement quality.
Intrinsic Foot Muscle Activation
Conventional footwear (particularly supportive running shoes with elevated heels and arch support) reduces the demand on intrinsic foot musculature. Intrinsic foot musculature includes the small muscles of the foot and ankle that contribute to arch support and toe control. Barefoot training increases activation of these muscles, which are associated with foot and ankle stability.
Improved Ground Contact Mechanics
Barefoot gait tends to produce a midfoot or forefoot strike pattern rather than the heel-strike pattern facilitated by cushioned, elevated-heel footwear. In the running context, forefoot striking reduces braking forces compared to heel striking.
The Evidence Against Universal Barefoot Training
The barefoot-minimalist running boom of the early 2010s produced a significant injury wave among recreational runners who transitioned too rapidly. The intrinsic foot muscles, like any other muscle group, require progressive loading to adapt.
An abrupt transition from heavily cushioned footwear to barefoot or minimalist footwear is a rapid, uncontrolled load spike to foot structures (the Achilles, plantar fascia, and metatarsals) that have been artificially unloaded for years.
The evidence says gradual transition over months, not weeks, is essential. Clients with pre-existing plantar fasciitis, previous stress fractures, or significant flat foot (pes planus) require individualized assessment before barefoot training.
Practical Implementation for Personal Trainers
Incorporate barefoot training elements realistically:
- Balance and stability work: Single-leg balance, stability training on varied surfaces, and corrective exercise performed barefoot significantly enhances sensory challenge and neuromuscular feedback.
- Run barefoot: If a client wants to explore barefoot or minimalist running, start with 5 to 10% of total running volume in minimal shoes, increase 10% per week maximum, and monitor for foot and Achilles symptoms carefully.
- Strength train barefoot or in minimal footwear: Generally appropriate for most clients and has the strongest evidence for proprioceptive and intrinsic muscle benefits. Start with lower-intensity movements and progress.
Foot Health & Corrective Exercise: A NASM Approach
Use a structured, assessment-driven strategy to address foot and ankle dysfunction within the National Academy of Sports Medicine (NASM) Corrective Exercise framework. Integrate barefoot training selectively to improve movement quality without increasing injury risk.
The NASM Corrective Exercise Specialization provides a clear system for evaluating and addressing pronation distortion (flat feet, knee valgus, internal hip rotation) and supination distortion (high arch, lateral knee tracking). Barefoot training can support this process when applied strategically, with careful load management and progression.
Barefoot Training & Foot Strength Frequently Asked Questions
Is barefoot training better for strength training and lifting?
Barefoot or minimalist footwear improves ground contact, proprioception, and intrinsic foot activation, supporting better ankle positioning in many strength exercises. For maximal Olympic lifting or powerlifting, specialized shoes may still provide a performance advantage.
Can barefoot training improve flat feet?
Barefoot training can strengthen intrinsic foot muscles and improve function in cases of flexible flat feet caused by weakness. Structural flat feet show more limited change. Refer out for clinical assessment when needed.
Is barefoot running safer than traditional running shoes?
Barefoot running shifts load rather than eliminating injury risk. It reduces heel striking but increases stress on the forefoot and Achilles tendon. Injury risk is highest during transition—progression speed matters more than footwear choice.
How do you safely introduce barefoot training to clients?
Start with low-load, low-impact activities like balance drills and corrective exercise. Monitor tolerance at the foot and ankle and progress volume and intensity gradually over weeks to months. Avoid abrupt transitions, especially running.