
Barbell back squat
Quads · Glutes · Adductors
Exercises by muscle
Compare bringing the legs together against a machine or cable with holding a supported side-plank position. These load the inner thighs with different support and balance demands.
The front view shows the adductors as a surface group. It does not distinguish every inner-thigh muscle.
The hip adductors help bring the thigh inward. A machine or cable can resist that movement, while a Copenhagen plank asks the upper leg to support the body. Squats can also involve adductors, but do not reproduce the same setup.
Compare a seated bilateral machine with one leg working against a low cable.

A seated machine places each leg outside a pad. Bring the thighs together and return through a comfortable range; learn its starting-position adjustment.

An ankle cuff and low pulley resist one leg moving inward. You also manage balance while the standing leg supports you.
This is a demanding hold rather than the same movement as a machine repetition.
The Copenhagen plank loads the supporting leg with part of your bodyweight. A machine offers a different way to adjust resistance and support; pick according to the task you can control.
Adduction brings the thigh inward. Abduction moves it outward. The machines can look similar, so check which side of the legs contacts the pads.
Guides: 12

Quads · Glutes · Adductors

Quads · Glutes · Adductors

Adductors

Back · Quads · Hamstrings · Glutes · Adductors

Adductors

Quads · Glutes · Adductors

Adductors

Quads · Glutes · Adductors
Variations

Quads · Glutes · Adductors

Quads · Hamstrings · Glutes · Adductors
Most people should train each muscle with 10 to 20 hard sets a week. The number is the easy part. Counting your sets honestly is where it usually goes wrong.
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No. Adduction brings the thighs toward each other; abduction moves them apart. Check the machine pads and intended movement before loading it.
No. The plank is a body-support hold with additional trunk demands. The machine moves the thighs against an adjustable load from a seated position.
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