Workout Plans › 4-Week (6 Sessions per Week), Upper-Lower, Endurance Image 1 of 1 4-Week (6 Sessions per Week), Upper-Lower, Endurance £24.00 A 4-week endurance plan featuring 6x upper-lower workout sessions per week.(Ref: 04-6C-END) Add To Cart Added! A 4-week endurance plan featuring 6x upper-lower workout sessions per week.(Ref: 04-6C-END)