Best of New York 2012 • Health & Self

• Hot Figure 4

• Pure Yoga

  203 E. 86th St., nr. Third Ave.; 212-360-1888; $25 per class

  Pure Yoga’s Figure 4 class was already one of the hardest of the ballet-bar bunch. Now they’re upping it, teaching in a 105-degree room.

• Hot Pilates

• Crunch

  113 Fourth Ave., at 12th St.; 212-533-0001; from $80 for monthly membership

  Though it strays from the classic mat Pilates form, this hourlong midsection-focused class taught in a 100-degree room will likely leave your face red for an hour and your abs sore for days.

• Hot Gravity Surfing

• David Barton

  215 W. 23rd St., nr. Seventh Ave.; 212-414-2022; monthly member­ship from $128

  This Vinyasa-style class taught in a 100-degree room incorporates the inversion-heavy sequences that flex the same muscles as you would while hanging ten.

• Band ReDesign

• Tracy Anderson

  24 Hubert St., nr. Greenwich St., third fl.; 212-965-1408; membership rates upon request

  The full-body workout incorporates resistance bands and an 86-degree room to instantly warm up those less-worked muscles.

• Silent D.J. Hot 90

• Sacred Brooklyn

  197 Clifton Pl., nr. Bedford Ave., Bed-Stuy; 347-715-4112; $20 per class

  This freestyle session for advanced hot yogis is sound- tracked by a communal iPod.

From the 2012 Best of New York issue of New York Magazine