The effect of forefoot varus on hip and knee kinematics
Altered or poor foot mechanics are associated with injuries of the lumbar spine, hip, knee and shin. This study investigated the effect of forefoot varus (results from supinated metatarsal heads in relation to the rearfoot) on hip and knee kinematics during a single leg squat.
Forefoot Varus (FV) increases the pronation of the subtalar joint to allow the medial metatarsal heads to contact the ground. The authors found that subjects with FV demonstrated greater hip internal rotation during single leg squat compared to subjects with a neutral foot. There was no effect on knee position or hip adduction.
Assessment of forefoot position in relation to the rearfoot may be indicated in patients with hip joint pain, particularly those presenting with impingement type symptoms.
> From: Silva et al., Manual Therapy 20 (2015) 79-83(Epub ahead of print). All rights reserved to 2014 Elsevier Ltd. Click here for the Pubmed summary.