“Traditionally, calisthenic movements are high rep movements, but there are numerous bodyweight exercises that only rarely can be performed for more than a rep or two. Find them. Explore them!”
-Coach Greg Glassman

From Ivanko, an excellent piece on what makes a high quality weightlifting bar: http://www.ivanko.com/article4.pdf Most commercial gyms bars are junk.

For time, complete 5 rounds of this couplet without rest:
Jump rope, 2 minutes
Powerclean, 50% bodyweight, 20 reps

30 Muscle-ups

75 Sit-ups
Tabata Push-Jerk 25% bodyweight
75 Sit-ups