Captains chair, straight leg rotations, 4 sets of 10; then straight leg raises, 2 sets of 20.
Balance/shoulders, 2 different reverse dumbbell flys, one legged on a BOSU ball, 3 sets of 12 each; super-setted with one-legged ankle rotations on the BOSU, 3 sets, 20 reps each side.
Back squat machine, 3 sets of 12 with increasing weight, super-setted with body-weight squats on the BOSU, 3 sets, 20 each.