Getting in shape, much like speed-reading Russian literature, requires concentration and the strength to forge ahead through painful, protracted inner monologues. Forge ahead toward fitness with today’s Groupon to Push Your Limits. Choose between two options:

• For $40, you get three personal-training sessions (up to a $195 value).
• For $50, you get one month of unlimited fitness classes (a $99 value).

A bastion of body-toning beatitude, Push Your Limits revamps fading physiques with personal-training sessions and an eclectic selection of goal-oriented fitness classes. After determining a client's fitness needs and goals, Push Your Limits' personal trainers specifically design each personal-training program to include individualized workouts, nourishing nutrition programs, and glistening posters of each client's future svelte self. Over the course of three sessions, trainers help clients meet their personal goals by adhering to a sustainable workout and healthier long-term lifestyle (up to a $65 value each). Push Your Limits' trainers boast more than 40 years of combined experience, and their state-of-the-art gym is the largest of its kind in the area.

Push Your Limits' able-bodied brigade of pliant professionals lead intimate morning, afternoon, and evening classes for men and women. Trade antiquated fist bumps for an endurance-enhancing Executive Boxing course led by professional MMA fighters, or strap on a sideways ponytail when recalling halcyon hoops in a Hoop for Fitness workout that sways away calories while strengthening core muscles. Turbo Kick Aerobics is a fast-paced, full-body workout that sheds excess poundage through a challenging combination of punching, kicking, pouting in the time-out chair, and dance moves.