[youtube]http://www.youtube.com/watch?v=VHKbTKDejT4[/youtube]
A great exercise to challenge your core, take traditional press ups one stage further.
single.php - video
[youtube]http://www.youtube.com/watch?v=VHKbTKDejT4[/youtube]
A great exercise to challenge your core, take traditional press ups one stage further.