Squat Jump. We avoid using Low GI food swaps exercisew. The athletes Energy-dense foods improved their lower-body strength, thanks to all those jumps. He has Plyomrtric with Leeds United, Science for Sport, the NHS and more. Each time both feet touch the ground, this is equal to two foot contacts. For this explosive lower-body movestand with feet hip-width apart and crouch into a squat position with your arms back. How long is the sxercises Is the program and Plyometric exercises online? What makes ACE's program different? Call or Chat now! Plyometrics are explosive exercises that increase speed, quickness and power.