The Primus Metatarsus Supinatus – now known as the Rothbarts Foot – is an abnormal foot structure present at birth. It is the result of an incomplete torsional development of the talus (the bone that sits on top of the heel bone and articulates with the tibia and fibula to form the ankle joint) that occurs approximately between the eighth and ninth week of pregnancy.
The result of this incomplete development of the talus is that when the rear foot is placed in its anatomically neutral (correct) position, the big toe and its adjoining metatarsal are elevated off the ground.
Functionally, the Rothbarts Foot is an unstable foot structure. If you have a Rothbarts Foot; as your body’s weight is shifted from the heel to the front part of your foot (while standing or walking) gravity forces your elevated big toe and its adjoining metatarsal to roll inward, forward and downward until they rest on the ground.
This twisting motion of the foot is referred to as abnormal pronation (hyperpronation). Abnormal pronation creates a distortion of the body’s skeletal structure (bad posture), resulting in musculoskeletal problems in the entire body that (with time and activity) become worse and often result in chronic muscle and joint pain.
For more information on the Rothbarts Foot, read:
What Is The Rothbarts Foot? And More Information On What Is The Rothbarts Foot
on CuringChronicPain dot Com
To find out if you may have a Rothbarts Foot, take the Rothbarts Foot Questionnaire located on CuringChronicPain dot Com
For a more technical explanation of the Rothbarts Foot, read Professor Dr. Rothbart’s description of this foot structure on his research website (RothbartsFoot dot Es)
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