Elementary gymnastics - Misc - 5 push ups & sit ups

The video tutorial explains a paired exercise routine involving situps and pushups. Participants alternate between resting and performing 10 repetitions of each exercise. The goal is to see how many repetitions can be completed before one person becomes too tired. The routine encourages a friendly competition to motivate participants.

What is the goal of the pushup exercise in pairs?

What type of competition is suggested during the exercises?