private void panel7_Click(object sender, EventArgs e)
{
kneePushUp npu = new kneePushUp();
npu.Show();
panel8.Visible = true;
}
private void panel5_Click(object sender, EventArgs e)
{
kneePushUp kpu = new kneePushUp();
kpu.Show();
panel6.Visible = true;
}