Biomech

7/22/99

Foot/Gait

• Very complicated
• Intrinsic foot muscles and extrinsic
• Two purposes

1.      gripping, support

2.      on take off, convert to a level—lock all joint surfaces to have a solid bone for push off

• a slight difference in the foot, can affect everything else
• palpation
• right hand screw for right foot
• Lisfranc's joint—metatarsal/tarsal joints
• 2^nd metatarsal should not have much movement
• bunions
• hallux valgus
• 99% are self induced from bad foot wear
• most preventable surgery
• more money spent on this that chiropractic