Which needs to be stronger, your foot or your footwear?
Barefoot training is one of the biggest mindset shifts happening in the training world today.
We’re finding out that people are having a very hard time getting rid of foot pain. What do people do when their foot hurts? They stay off it and put on a tougher shoe, which further weakens their foot and deadens their proprioceptive abilities.
What’s really weird is that in places where people don’t wear shoes, they don’t have any of the foot and arch problems we have in America!
Go to a drug store in the US and there is a whole aisle dedicated to pads, supports, and orthotics to get rid of foot pain. I posit that all of this support and padding is just making things worse!
In my volleyball athletes, much of our training is directed towards putting force through the feet and into the court. (You don’t actually “jump.” You shove against the Earth and according to Newton’s Law of Equal and Opposite Reactions, the Earth “shoves you back” just as hard and propels you into the air.)
The ability to put force into the ground and move your body through space is ultimately reliant on the strength and your control of your feet.
It’s a big problem that we never train our feet and that they just get weaker and worse as we get older.
If your hands are weak, it will limit your strength and skill in upper body exercises. The same is true for your feet and training your legs.
Now, how does a weak foot link up with ankle braces and knee injuries?
Simple
In my exercise seminars, I teach people the “Stack of Joints” theory.
The stack of joints theory is that your body is a bunch of joints stacked on top of each other, and we look at it from the ground up.
Some of your joints need to be stable, and some need to be mobile. They alternate with each other:
Ankle – Mobile
Knee – Stable
Hip – Mobile
Low Back – Stable
Upper Back – Mobile
Shoulder – Stable
If a joint is messed up, a good physical therapist will look at the joints above and below it.
As an example, if your low back hurts, it is probably because of a lack of mobility in your hips and upper back, and your low back has to take on their work loads.
That’s why if you have low back pain, we do a lot of HIP exercises. By fixing the joints sandwiching your pained areas, we can fix the cause of the problem.
Now, a weak foot and a locked up ankle CAN’T be mobile. I mean, if the ankle is in a SPLINT, it obviously can’t move.
This splinting of the ankle forces the knee the take on all the mobility that was meant for the ankle.
A study that was released last month looked at non-contact ACL tears in female athletes:
Koga H, Nakamae A, Shima Y, Iwasa J, Myklebust G, Engebretsen L, Bahr R, Krosshaug T. (2010). Mechanisms for noncontact anterior cruciate ligament injuries: knee joint kinematics in 10 injury situations from female team handball and basketball. Am J Sports Med. 2010 Nov;38(11):2218-25. Epub 2010 Jul 1.
The researchers found that the mechanism for injury was rotation at the tibia:
(click picture to enlarge)
So instead of the ankle and hip taking on the rotation, the knee took it and “popped” the Anterior Cruciate Ligament.
This happens more often when the ankle is locked in a splint. A weak foot and stiff ankle may sustain some injuries from a quick twist, but as a strength and conditioning coach, I’d much rather deal with a sprained ankle than a torn ACL. If you’re confused why, here’s some simple math:
Sprained Ankle: Two weeks off, Can tape up and play if it’s a big game
Torn ACL: 6 months to two years off, might never be the same again, $50,00 surgery
The study I mentioned above also had these points:
- Non-contact knee injuries happen during cutting or one-leg landings
- At foot contact the knee pointed in (valgus)
- The tibia rotated internally then externally
Here are some ways to prevent non-contact knee injuries:
1. Do all non-volleyball court training barefoot or in “barefoot shoes.” This lets your foot and ankle strengthen.
2. Avoid splint-type ankle braces. Go with a softer lace up brace. It might not protect the ankle as much as a splint, but a softer brace protects the knee much more.
3. Focus on prevention. Prepare physically for the demands of your sport. A strength and conditioning program can take as little as an hour a week (in season).
4. Train the around the joints as dictated by the mobility/stability continuum (stack of joints theory). Knees should be trained for stability, ankles and hips for mobility.
5. Learn proper technique. Jumping is a skill, and it should be trained with as much detail as any other sports skill.
6. Deceleration training. The knee injuries in the study above occurred during landing and cutting movements. Training the ability to stop with perfect technique and strength would have prevented ACL injury.
7. Nutrition nutrition nutrition. There are two keys to nutrition, the first is obvious: Any extra weight in the form of fat will increase the force through the knee joint and will precipitate injury. The second key is that a diet high in inflammatory foods such as grains, sugar, and dairy will diminish the integrity of your joints.
8. Don’t try to substitute energy and enthusiasm for preparation and technique. An athlete throwing themselves around the court will break their body. If you want to perform at a higher level, train at a higher level.
9. Posterior Chain Training. The hamstrings, butt, and low back are all key areas that need to be strengthened in any athlete. Sadly, these muscles are often totally neglected in training. Simply firing up your butt muscles with the humble glute bridge during your warmup will help.
10. Keep your eyes on your goal. It may feel weird and awkward and scary to exercise without ankle splints, especially if you’ve been wearing them for years. Soon the discomfort will pass and you’ll be a stronger, better, healthier athlete.
Thank you so much for reading. Let me know if you have any questions in the comment box below.
~ Luke Wold













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