
Often overlooked, the big toe is not a big joint (metatarsophalangeal joint) but vital for performance and non dysfunctional movements. Mobility is key in locomotion and reciprocal patterns with the feet like the lunges in all planes of motion. Compensations will happen when motion can't occur in this part, which can give other dysfunctions higher up in the chain, muscle or joints or both. Proper gait pattern requires ability to flex the knee to 40 degrees, the dorsiflex the ankle at minimum of 20 degrees, and to be able to extend the first MTP joint to a minimum of 65 degrees (Oatis, 2004). The inability to extend the first MTP joint due to joint degeneration, structural change, or general restriction is commonly known as hallux limitus and is often seen in running athletes who wear traditional running shoes (not all but many of them). This range of motion is very important in the grand scheme of the "Windlass Mechanism" , which is a passive loading mechanism that occurs as the calcaneus clears the ground in late stance and the weight transfers over the heads of the metatarsals. Combined, these motions load the plantar fascia and intrinsics of the foot that help to transform the foot into a stable lever off of which to push (Fuller, 2000). As demonstrated by Carlson, there seems to be an incremental, linear relationship between hallux dorsiflexion and increased tensile strength of the plantar fascia (Carlson, 2000). As you know, the plantar fascia and Medial Longitudinal <b>...</b>
Lunge (exercise)
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Seth Ronland
Breeze Fitness
Hallux
Big
Toe
Big Toe
Extension
valgus
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