Used by the likes of football teams in the English Premier League, and American Football’s NFL, the VALD Force Frame is the benchmark in strength testing. Measure and strengthen in over 35 different positions for most muscle groups, and quantify your strength to pinpoint weaknesses, so you can strengthen correctly and optimize your physical performance. By testing every 3 months and strengthening , you can avoid normal imbalances from becoming injury risks, and therefore perform at your peak for longer.