The effect of talocrural mobilisation with movement on ankle dorsiflexion and knee valgus during squatting in individuals with a history of ankle sprains
University of Queensland
20 participants
Aug 28, 2014
Interventional
Conditions
Summary
This study aims to investigate the effects of ankle mobilisations on ankle dorsiflexion ROM and its relationship to hip adduction and knee valgus in a single leg squat. Participants will be assessed before and after 6 treatment sessions over a 3 week period. Our primary aim is to determine the effect of ankle mobilisations on ankle dorsiflexion and knee valgus angle during squatting. A secondary aim is to determine whether a change in dorsiflexion range of motion following the first treatment predicts a change in dorsiflexion range of motion following the final treatment session.
Eligibility
Inclusion Criteria2
- Individuals with a history of one or more ankle sprains that occurred greater than 2 months ago;
- A 20 mm or greater decrease in ankle dorsiflexion compared to the other ankle or 60mm or less of ankle dorsiflexon bilaterally (measured using the weight-bearing lunge test) (Hock et al 2011).
Exclusion Criteria3
- They have had a previous surgery to the ankle that has resulted in the use of internal fixation (plates, screws or pins)
- They have sustained an acute musculoskeletal injury to the lower extremity in the previous 2 months that has impacted joint integrity and function (ie, sprains, fractures), resulting in at least 1 interrupted day of desired physical activity (Gribble et al., 2013).
- They are receiving any concurrent physiotherapy treatment.
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Interventions
The talocrural joint mobilisation with movement technique will be performed in a weight-bearing positions with the patient lunging forward on the leg being treated. A transfer belt will be positioned over the posterior distal tibia and fibula. An anterior glide will be applied to the tibia and fibula to achieve a relative posterior glide to the talus. The glide will be maintained while the subject actively moves their ankle to the end of pain-free dorsiflexion range of motion by lunging forward. Four sets of four repetitions with a 10 second hold at end range will be used as this has been found to be effective in improving dorsiflexion range of motion in individuals with chronic recurrent lateral ankle sprains. (Vicenzino, 2006). The mobilisation treatment sessions will be conducted 2 times per week for 3 weeks. Each session will be approximately 10 minutes in length and will be led by a physiotherapist. Participants will be emailed a reminder of the upcoming treatment session at least 24 hours before the event to improve treatment attendance.
Locations(1)
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ACTRN12614000981628