Standing Hip Flexors alternatives

7 exercises that train the quads like the Standing Hip Flexors does. Different equipment first.

ExerciseEquipmentAlso works
Kneeling Hip FlexorBody onlyQuads
Looking At CeilingBody only–
Frog HopsBody onlyCalves, Glutes, Hamstrings
Lying Prone QuadricepsBody only–
One Half LocustBody onlyAbs, Biceps, Chest
Rear Leg RaisesBody only–
Sit SquatsBody onlyAbductors, Glutes, Hamstrings