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A descending ladder of sit-ups and mountain climbers. Both moves challenge your abs in different ways: sit-ups in a time under tension manner, mountain climbers as dynamic ab work so again, a superset style ladder.
A descending ladder of sit-ups and mountain climbers. Both moves challenge your abs in different ways: sit-ups in a time under tension manner, mountain climbers as dynamic ab work so again, a superset style ladder.
