. . . EXHIBIT 21 SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------ U.S. PT - Delaware, Inc. Corporation Delaware U.S. Therapy, Inc. dba The Facilities Group, Inc. Corporation Texas National Rehab GP, Inc. Corporation Texas National Rehab Delaware, Inc. Corporation Delaware U.S. PT - Michigan, Inc. Corporation Delaware HH Rehab Associates, Inc. dba Genesee Valley Physical Therapy dba Theramax Physical Therapy Corporation Michigan dba Rebound Physical Therapy Corporation Michigan Professional Rehab Services, Inc. dba Northwoods Physical Therapy dba Thibodeau Physical Therapy dba Evergreen Physical Therapy Corporation Michigan U.S. Physical Therapy, Ltd. Limited Partnership Texas U.S. PT Management, Ltd. Limited Partnership Texas National Rehab Management GP, Inc. Corporation Texas Rehab Partners #1, Inc. Corporation Texas Rehab Partners #2, Inc. Corporation Texas Rehab Partners #3, Inc. Corporation Texas Rehab Partners #4, Inc. Corporation Texas Rehab Partners #5, Inc. Corporation Texas Rehab Partners #6, Inc. Corporation Texas U.S. PT Payroll, Inc. (formerly Rehab Partners #7, Inc.) Corporation Texas Rehab Partners Acquisition #1, Inc. Corporation Texas U.S. PT Therapy Services, Inc. (formerly U.S. Surgical Partners, Inc.) dba Cornerstone Physical Therapy Corporation Delaware U.S. Surgical Partners #1, Inc. Corporation Texas Effingham Ambulatory Surgery Center, L.P. (formerly U.S. Surgical Partners of College Park, Limited Partnership Limited Partnership Texas U.S. Surgical Partners #2, Inc. Corporation Texas Midland Surgical Partners, Ltd. Limited Partnership Texas U.S. PT Turnkey Services, Inc. (formerly Surgical Management GP, Inc. Corporation Texas U.S. Surgical Partners Management, Ltd. Limited Partnership Texas Southeastern Hand Rehabilitation, Inc. dba Reist Hand Therapy dba Achieve Physical Therapy Corporation Florida Action Physical Therapy Clinic, Ltd. Limited Partnership Texas Star Therapy Centers, Ltd. Limited Partnership Texas Progressive Physical Therapy Clinic, Ltd. Limited Partnership Texas Virginia Parc Physical Therapy, Ltd. dba McKinney Physical Therapy Associates Limited Partnership Texas Dearborn Physical Therapy, Ltd. dba Advanced Physical Therapy Limited Partnership Texas Saline Physical Therapy of Michigan, Ltd. dba Physical Therapy in Motion Limited Partnership Texas SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------ Roepke Physical Therapy, Limited Partnership Limited Partnership Texas Merrill Physical Therapy, Limited Partnership Limited Partnership Texas Joan Ostermeier Physical Therapy, Limited Partnership dba Sport & Spine Clinic of Wittenberg Limited Partnership Texas Crossroads Physical Therapy, Limited Partnership Limited Partnership Texas Kelly Lynch Physical Therapy, Limited Partnership Limited Partnership Texas U.S. PT Michigan #1, Limited Partnership Limited Partnership Texas Spracklen Physical Therapy, Limited Partnership Limited Partnership Texas Bosque River Physical Therapy and Rehabilitation, Limited Partnership Limited Partnership Texas Frisco Physical Therapy, Limited Partnership Limited Partnership Texas Spinal Therapy Institute, Limited Partnership Limited Partnership Texas Sport & Spine Clinic of Fort Atkinson, Limited Partnership Limited Partnership Texas Sport & Spine Clinic of Auburndale, Limited Partnership Limited Partnership Texas Back in Balance, Limited Partnership Limited Partnership Texas Kingwood Physical Therapy, Ltd. Limited Partnership Texas Enid Therapy Center, Limited Partnership Limited Partnership Texas Town and Country Physical Therapy , Ltd. Limited Partnership Texas Active Physical Therapy, Limited Partnership Limited Partnership Texas Genesis Rehabilitation and Sports Center - Jackson, Limited Partnership dba Genesis Physical Therapy Group Limited Partnership Texas Cleveland Physical Therapy, Ltd. Limited Partnership Texas Aquatic and Orthopedic Rehab Specialists, Limited Partnership dba Horizon Physical Therapy Limited Partnership Texas Vileno Therapy of Treasure Coast, Limited Partnership Limited Partnership Texas Comprehensive Hand & Physical Therapy, Limited Partnership Limited Partnership Texas Safety Harbor Physical Therapy, Limited Partnership Limited Partnership Texas Hands Plus Therapy Center, Limited Partnership Limited Partnership Texas South Tulsa Physical Therapy, Limited Partnership Limited Partnership Texas Hands On Therapy, Limited Partnership Limited Partnership Texas SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------ U.S. PT Michigan #2, Limited Partnership Limited Partnership Texas Tupelo Hand Rehabilitation, Limited Partnership Limited Partnership Texas The Hale Hand Center, Limited Partnership Limited Partnership Texas Sooner Physical Therapy, Limited Partnership Limited Partnership Texas Arrow Physical Therapy, Limited Partnership dba Broken Arrow Physical Therapy Limited Partnership Texas Achieve Physical Therapy, Limited Partnership Limited Partnership Texas Melbourne Physical Therapy Specialists, Limited Partnership Limited Partnership Texas Maine Physical Therapy, Limited Partnership dba Maine Physical Therapy Limited Partnership Texas Brentwood Physical Therapy, Limited Partnership (clinic sold 12/31/01) Limited Partnership Texas Saginaw Valley Sport and Spine, Limited Partnership dba Saginaw Valley Sport & Spine, Bay City Sport & Spine and Midland Sport & Spine Limited Partnership Texas Brazos Valley Physical Therapy, Limited Partnership Limited Partnership Texas Plymouth Physical Therapy Specialists, Limited Partnership Limited Partnership Texas Brick Hand & Rehabilitative Services, Limited Partnership Limited Partnership Texas Heartland Physical Therapy, Limited Partnership Limited Partnership Texas Bay View Physical Therapy, Ltd. dba Pine State Physical Therapy Limited Partnership Texas Thomas Hand and Rehabilitation Specialists, Limited Partnership dba Thomas Physical & Hand Therapy dba Thomas Hand Institute Limited Partnership Texas Hand Health and Rehabilitation, Limited Partnership Limited Partnership Texas Port City Physical Therapy, Limited Partnership Limited Partnership Texas Proactive Physical Therapy, Limited Partnership Limited Partnership Texas Momentum Therapy, Limited Partnership Limited Partnership Texas Mooresville Management, Limited Partnership Limited Partnership Texas Beaufort Physical Therapy, Limited Partnership Limited Partnership Texas English Creek Hand & Therapy Center, Limited Partnership Limited Partnership Texas SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------- Brownwood Physical Therapy, Limited Partnership dba Pecan Valley Physical Therapy Limited Partnership Texas Four Corners Physical Therapy, Limited Partnership Limited Partnership Texas Wilmington Hand Therapy, Limited Partnership dba Hand Therapy of Wilmington Limited Partnership Texas High Point Physical Therapy, Limited Partnership Limited Partnership Texas Riverview Physical Therapy, Limited Partnership Limited Partnership Texas Quantum Physical Therapy, Limited Partnership Limited Partnership Texas Spine & Sport Physical Therapy, Limited Partnership dba The Hand Institute of Spine & Sport Limited Partnership Texas Norman Physical Therapy, Limited Partnership Limited Partnership Texas Rice Rehabilitation Associates, Limited Partnership Limited Partnership Texas Physical Therapy and Spine Institute, Limited Partnership Limited Partnership Texas Forest City Physical Therapy, Limited Partnership Limited Partnership Texas Leader Physical Therapy, Limited Partnership dba Memphis Physical Therapy Limited Partnership Texas Coastal Physical Therapy, Limited Partnership Limited Partnership Texas Eastgate Physical Therapy, Limited Partnership dba Summit Physical Therapy Limited Partnership Texas Lucasville Therapy Services, Limited Partnership Limited Partnership Texas Ankeny Physical & Sports Therapy, Limited Partnership Limited Partnership Texas Regional Physical Therapy Center, Limited Partnership Limited Partnership Texas Wyman Physical Therapy, Limited Partnership dba Precision Physical Therapy Limited Partnership Texas Adams County Physical Therapy, Limited Partnership Limited Partnership Texas Coppell Spine & Sports Rehab, Limited Partnership dba Physical Therapy of Flower Mound dba Green Oaks Physical Therapy Limited Partnership Texas Julie Emond Physical Therapy, Limited Partnership dba Maple Valley Physical Therapy Limited Partnership Texas City of Lakes Physical Therapy, Limited Partnership Limited Partnership Texas Radtke Physical Therapy, Limited Partnership Limited Partnership Texas Hoeppner Physical Therapy, Limited Partnership Limited Partnership Texas SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------ Des Moines Physical Therapy, Limited Partnership dba Des Moines Physical Therapy Limited Partnership Texas Shrewsbury Physical Therapy, Limited Partnership Limited Partnership Texas Heritage Physical Therapy, Limited Partnership Limited Partnership Texas Mansfield Physical Therapy, Limited Partnership Limited Partnership Texas Texstar Physical Therapy, Limited Partnership Limited Partnership Texas Peninsula Physical Therapy, Limited Partnership Limited Partnership Texas Lake Side Physical Therapy, Limited Partnership dba Lakeside Physical Therapy Limited Partnership Texas Flint Physical Therapy, Limited Partnership Limited Partnership Texas Pelican State Physical Therapy, Limited Partnership dba Audubon Physical Therapy Limited Partnership Texas Airpark Physical Therapy, Limited Partnership dba Philadelphia Physical Therapy Limited Partnership Texas Capital Hand and Physical Therapy, Limited Partnership Limited Partnership Texas Maines & Dean Physical Therapy, Limited Partnership Limited Partnership Texas Edge Physical Therapy, Limited Partnership dba River's Edge Physical Therapy Limited Partnership Texas Laurel Physical Therapy, Limited Partnership dba South Mississippi Physical Therapy Limited Partnership Texas Riverwest Physical Therapy, Limited Partnership Limited Partnership Texas Northern Neck Physical Therapy, Limited Partnership dba Northern Neck Physical Therapy Limited Partnership Texas Intermountain Physical Therapy, Limited Partnership Limited Partnership Texas White Mountain Physical Therapy, Limited Partnership Limited Partnership Texas Portsmouth Premier Physical Therapy, Limited Partnership Limited Partnership Texas Covington Rehabilitation and Hand Therapy, Limited Partnership dba South Mississippi Physical Therapy Limited Partnership Texas Crawford Physical Therapy, Limited Partnership Limited Partnership Texas Mobile Spine and Rehabilitation, Limited Partnership Limited Partnership Texas University Physical Therapy, Limited Partnership Limited Partnership Texas Oregon Spine & Physical Therapy, Limited Partnership Limited Partnership Texas Audubon Physical Therapy, Limited Partnership Limited Partnership Texas SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------ Bow Physical Therapy & Spine Center, Limited Partnership Limited Partnership Texas Caldwell Management, Limited Partnership Limited Partnership Texas North Shore Sports & Physical Therapy, Limited Partnership Limited Partnership Texas Performance and Sports Medicine, L.P, dba Center for Performance & Sports Medicine Excellence Limited Partnership Texas Physical Therapy Connection of McLean, Limited Partnership Limited Partnership Texas Royal Physical Therapy, Limited Partnership Limited Partnership Texas Sport & Spine Clinic, L.P. Limited Partnership Texas Yarmouth Physical Therapy, Limited Partnership Limited Partnership Texas Sport & Spine Clinic L.P. Limited Partnership Texas Flannery Physical Therapy, Limited Partnership, dba Physical Therapy Plus Limited Partnership Texas Cupertino Physical Therapy, Limited Partnership, dba Peak Physical Therapy Limited Partnership Texas Mountain View Physical Therapy, Limited Partnership Limited Partnership Texas Ashland Physical Therapy, Limited Partnership Limited Partnership Texas Lake Houston Physical Therapy, Limited Partnership Limited Partnership Texas R. Clair Physical Therapy, Limited Partnership, dba R. Clair Physical Therapy Limited Partnership Limited Partnership Texas Coppell Spine & Sports Rehab, Limited Partnership dba North Davis/Keller Physical Therapy Limited Partnership Texas Green Oaks Physical Therapy, Limited Partnership dba Green Oaks PT - Cedar Hill Limited Partnership Texas Green Oaks Physical Therapy, Limited Partnership dba Green Oaks Physical Therapy Limited Partnership Texas US PT Therapy Services Inc. dba Mountain View Physical Therapy of Medford Corporation Texas Spectrum Physical Therapy, Limited Partnership Limited Partnership Texas Peninsula Physical Therapy, Limited Partnership dba Portland Physical Therapy Specialists Limited Partnership Texas Precise Touch Physical Therapy, Limited Partnership dba Precise Touch Limited Partnership Texas US PT Therapy Services Inc. dba Waco Sports Medicine and Rehabilitation Corporation Texas SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------ Lucasville Physical Therapy, Limited Partnership dba Physical Therapy of Wheelersburg Limited Partnership Texas Custom Physical Therapy, Limited Partnership Limited Partnership Texas Workwise Therapy Services, Limited Partnership Limited Partnership Texas High Plains Physical Therapy, Limited Partnership Limited Partnership Texas Evergreen Physical Therapy, Limited Partnership Limited Partnership Texas Wise Performance Physical Therapy, Limited Partnership Limited Partnership Texas US PT Therapy Services Inc. dba Advantage Physical Therapy Corporation Texas US PT Therapy Services Inc. dba Talent Physical Therapy Corporation Texas Cross Creek Physical Therapy, Limited Partnership Limited Partnership Texas Georgia Orthopedic Physical Therapy, Limited Partnership Limited Partnership Texas Sport & Spine Clinic of Nekoosa, Limited Partnership Limited Partnership Texas Port Orange Physical Therapy, Limited Partnership Limited Partnership Texas US PT Therapy Services Inc. dba Lake City Hand Therapy Corporation Texas US PT Therapy Services Inc. dba Dynamic Hand Therapy Corporation Texas US PT Therapy Services Inc. dba Carolina Hand and Wellness Center Corporation Texas US PT Therapy Services Inc. dba Therapyworks Corporation Texas Cape Cod Hand Therapy, Limited Partnership Limited Partnership Texas US PT Therapy Services Inc. dba Tulsa Hand Therapy Corporation Texas US PT Therapy Services Inc. dba Missouri City Physical Therapy Corporation Texas US PT Therapy Services Inc. dba North Valley Physical and Occupational Therapy Corporation Texas US PT Therapy Services Inc. dba Pinnacle Therapy Services Corporation Texas US PT Therapy Services Inc. dba Metro Hand Therapy Corporation Texas US PT Therapy Services Inc. dba Northern Illinois Therapy Services Corporation Texas US PT Therapy Services Inc. dba First Choice Physical Therapy Corporation Texas US PT Therapy Services Inc. dba Hand Therapy Specialists of North Texas Corporation Texas US PT Therapy Services Inc. dba Alliance Rehabilitation Services Corporation Texas US PT Therapy Services Inc. dba Therapeutic Concepts Corporation Texas US PT Therapy Services Inc. dba Propel Physical Therapy Corporation Texas US PT Therapy Services Inc. dba Innovative Physical Therapy Corporation Texas US PT Therapy Services Inc. dba ProCare Sports Medicine Corporation Texas US PT Therapy Services Inc. dba Kennebec Physical Therapy Corporation Texas SUBSIDIARIES OF THE REGISTRANT STATE OF NAME OF TYPE OF INCORPORATION SUBSIDIARY ENTITY OR FORMATION - ---------- ------ ------------ US PT Therapy Services Inc. dba Capstone Physical Therapy Corporation Texas