isometric training
Concept
A type of exercise where muscles contract without changing length, known to improve static and dynamic strength, and is similar to EMS contractions.
Mentioned in 2 videos
Videos Mentioning isometric training

The Game Changers, Vegan Diets, Foam Rolling, and Keto with Michael Hull (Episode 24)
Stronger By Science
A training method involving holding muscle contractions without movement, which can precondition muscles and reduce soreness from subsequent eccentric exercise.

Does Electrical Muscle Stimulation Actually Work?! (Science Explained)
Stronger By Science
A type of exercise where muscles contract without changing length, known to improve static and dynamic strength, and is similar to EMS contractions.