Muscles Only Pull
    Body & Brain

    Muscles Only Pull

    Every push you make is a pull from the opposite muscle. We have antagonistic pairs.

    Look at that bicep! Make a fist, squeeze your arm. The muscle bulges. What's actually happening when a muscle 'flexes'? Spoiler — it's NOT pushing.

    Concepts you just met
    ContractionAntagonistic PairsSarcomeresMuscle Types