Scotland's chances of producing sporting stars of the future are being hampered by a "postcode lottery" in physical education provision, according to the Conservatives.
Some councils are failing to meet PE targets in secondary schools, an official report has revealed.
Scottish Government statistics show variation by area when it comes to meeting the target of two periods - or 100 minutes - of PE in secondary schools per week.
The worst performing local authority is West Dunbartonshire, which has fallen from 80% last year to 60% in 2016, while Angus has dropped from 100% in 2015 to 88%.
Scottish Conservative sport spokesman Brian Whittle said: "If Scotland wants to produce sporting stars of the future and keep their young people fit, then the SNP needs to concentrate on delivering the target in all local authority areas as a matter of priority."
A Scottish Government spokesman said: "We know that physical education can have a positive impact on a pupil's health, attainment and life chances.
"It encourages the development of both movement and thinking skills together and in doing so contributes to, and reinforces, learning across the curriculum.
"We are delighted that 98% of primary and secondary schools across Scotland are providing at least two hours or two periods of PE, which demonstrates remarkable progress since 2004/05 when 10% of schools were meeting this target.
"We are making good progress with only 18 out of 361 secondary schools not able to meet the target due to a range of issues, from timetable pressures in S4 to new school builds, and we will continue to work with local authorities, Education Scotland and sportscotland to ensure that our young people have access to sport and physical education while at school."
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