I train 4-5 times a week. I usually do 5 exercises for 3-4 sets and 10-15 reps each. For example on legs:
4 x 15 jump squats
3 x 15 glute bridge
3 x 15 single leg calf raises (15 reps per side)
3 x 1 min wall sit
3 x 15 donkey kick (15 reps per leg)
Is this a good plan or am i undertraining...