Which posture is characterized by tight hip flexors, tight low back extensors, and weak abdominals?

The posture characterized by tight hip flexors, tight low back extensors, and weak abdominals is lumbar lordosis. This condition involves an exaggerated inward curve of the lumbar spine, often resulting from muscular imbalances where the hip flexors (muscles at the front of the hip) become tight due to prolonged sitting or a sedentary lifestyle. This tightness can pull the pelvis forward, increasing the lumbar curve.

In conjunction with tightness in the low back extensors, which helps maintain this extended posture, the abdominal muscles may become weaker because they are not engaged adequately to counterbalance the pull of the hip flexors and back extensors. This combination can lead to a characteristic posture that not only affects appearance but can also lead to discomfort and functional impairments.

Other postures mentioned do not share the same specific pattern of muscle tightness and weakness. Scoliosis involves lateral curvature of the spine, thoracic kyphosis features an excessive outward curvature of the thoracic spine, and cervical lordosis refers to the curvature of the cervical spine, none of which directly relate to the muscle tightness and weakness seen in lumbar lordosis.