Punch it out
Picture Bernie Madoff’s face on a punching bag and give it all you’ve got at the cardio kickboxing class at One Martial Arts, in the Parkside. Serious kickboxing fans might think this version is for wimps—there’s lots of bouncy music and no partner boxing—but because you hit a bag instead of someone’s face (or head gear), you can get more pure punch for your buck. One Martial Arts is family-friendly, high-energy but low-key (meaning as many regular folks as jocks gather there), and right on Muni’s L line. 850 Taraval St., S.F., 415-731-9988, onemartialarts.com

Yoga for warriors
If you’re looking for a full-on workout along with your enlightenment, try Aha Yoga’s 90-minute flow classes—particularly the ones accompanied by Amber Field, a specialist in world fusion music. A few nights each month, she jams on the tabla, drones into the didgeridoo, and helps you find a state of focused intensity as you flow deeper into your practice and further from your frustrations. As class winds down, Amber sings you into a state of savasana bliss—and, if you’re lucky, the yoga instructor stops by to massage your scalp (she makes it to a few people each class). 1892 Union St., S.F., 415-440-9642, ahayogasf.com

Embrace failure
Strange as it sounds, that’s the goal of Pete Kinkead’s 20-minute (yes, that’s correct) workout at Body Mastery, the only place in San Francisco that offers this high-intensity exercise. Also known as SuperSlow and Power of 10, the workout is designed to completely exhaust every muscle in your body in a series of six to eight strength-training exercises, each two to three minutes long, without so much as a five-second rest along the way. The idea, says Kinkead, is that muscle fibers start to recover when they’re allowed to rest between sets, so they’re not getting the continuous stimulation they need for maximum growth. Body Mastery is not exactly the most fun way to get fit, but it’s certainly the most efficient, considering that you have to do it only once or twice a week. Best of all, you won’t have a single ounce of energy left over for railing at Ben Bernanke. 1575 Pacific Ave., S.F., 415-265-6070, bodymastery.net

A smashing idea
Use a grown-up version of a kids’ game to get a taste of sweet revenge. At Romeo Osorio’s Piñata Art Studio Gallery, in the Excelsior, you can custom-order a piñata to resemble almost anything or anyone you wish. (Sarah Palin was a popular request back in the day.) Lose your job? Bash a caricature of your boss. One too many parking tickets? Fill Osorio’s DPT- car piñata and go to town. “You name it, we’ll create it. Then have your way with it,” Osorio says. And make no mistake: These aren’t dime-store piñatas that fall apart after three blows. Osorio’s process includes shaping the frame with wire and using three different papier-mâché drying cycles, so you can work off some righteous fury while making them fly. 4268 Mission St., S.F., 415-333-8001, pinataart.net