Hips rotate forward causing lengthened hip flexors and shortened lumbar extensors (Figure A) After long term exposure to this positioning the muscles will adjust to these improper lengths. Figure C ...

Those examined appear to activate the lumbar extensors; however, the specificity of many of these exercises for producing chronic adaptations may be questionable, potentially due to the compound ...

Walking engages the knee flexors and extensors. Walking engages the hip flexors, extensors, and abductors. Walking also ...