A support garment for a wearer, said garment comprising: a compression pants portion being configured to provide support for the wearer's pelvis, legs, and groin area; and a belt portion attached fixedly to and extending upwardly above the compression pants portion: said belt portion being configured to support a lumbar region of the wearer, and including a rear portion configured to overlay and support the lumbar region of the wearer; said belt portion being attached to said pants portion so as to align the rear portion with the lumbar region of the wearer; wherein the rear portion comprises a support portion of flexible elastic material configured such that the support portion overlies a supported area of the wearer when wearing the garment and irrespective of twisting or bending movement of the wearer, said supported area including L4 and L5 vertebrae of the wearer, and characterized in that the support portion of elastic material is configured such that the support area extends substantially equal distances above and below a point midway between the L4 and L5 vertebrae; wherein a core support portion is supported on a front of the compression pants located so as to overlay the abdomen of the wearer when wearing the garment; and wherein the core support portion comprises a plurality of generally vertical reinforcement structures that support the abdomen of the wearer when wearing the garment. a compression pants portion being configured to provide support for the wearer's pelvis, legs, and groin area; and a belt portion attached fixedly to and extending upwardly above the compression pants portion: said belt portion being configured to support a lumbar region of the wearer, and including a rear portion configured to overlay and support the lumbar region of the wearer; said belt portion being attached to said pants portion so as to align the rear portion with the lumbar region of the wearer; wherein the rear portion comprises a support portion of flexible elastic material configured such that the support portion overlies a supported area of the wearer when wearing the garment and irrespective of twisting or bending movement of the wearer, said supported area including L4 and L5 vertebrae of the wearer, and characterized in that the support portion of elastic material is configured such that the support area extends substantially equal distances above and below a point midway between the L4 and L5 vertebrae; wherein a core support portion is supported on a front of the compression pants located so as to overlay the abdomen of the wearer when wearing the garment; and wherein the core support portion comprises a plurality of generally vertical reinforcement structures that support the abdomen of the wearer when wearing the garment. said belt portion being configured to support a lumbar region of the wearer, and including a rear portion configured to overlay and support the lumbar region of the wearer; said belt portion being attached to said pants portion so as to align the rear portion with the lumbar region of the wearer; wherein the rear portion comprises a support portion of flexible elastic material configured such that the support portion overlies a supported area of the wearer when wearing the garment and irrespective of twisting or bending movement of the wearer, said supported area including L4 and L5 vertebrae of the wearer, and characterized in that the support portion of elastic material is configured such that the support area extends substantially equal distances above and below a point midway between the L4 and L5 vertebrae; wherein a core support portion is supported on a front of the compression pants located so as to overlay the abdomen of the wearer when wearing the garment; and wherein the core support portion comprises a plurality of generally vertical reinforcement structures that support the abdomen of the wearer when wearing the garment. wherein the rear portion comprises a support portion of flexible elastic material configured such that the support portion overlies a supported area of the wearer when wearing the garment and irrespective of twisting or bending movement of the wearer, said supported area including L4 and L5 vertebrae of the wearer, and characterized in that the support portion of elastic material is configured such that the support area extends substantially equal distances above and below a point midway between the L4 and L5 vertebrae; wherein a core support portion is supported on a front of the compression pants located so as to overlay the abdomen of the wearer when wearing the garment; and wherein the core support portion comprises a plurality of generally vertical reinforcement structures that support the abdomen of the wearer when wearing the garment.