Third-person singular simple present indicative form of seize up

present participle of seize up

simple past tense and past participle of seize up

plural of muscle-up

Third-person singular simple present indicative form of muscle up

(transitive, intransitive) To train the muscles for increased size and strength. / (intransitive) To force one's way into or through.

present participle of muscle up

Alternative form of muscled up

An exercise done for strengthening the arms and upper body, in which one lifts one's own weight while hanging from a bar to a position above the bar.

Having large, well-developed muscles.