Lacustrine systems include all wetland and deepwater habitats associated with depressions or damned channels greater than 8 ha in area, and which have less than 30% of their area dominated by trees, shrubs, or emergent vegetation.
There are a wide variety of conditions that can cause thigh pain. For example, thigh pain can be caused by physical activity, injury, or age-related wear and tear on the hips and knees, which may cause pain or discomfort in the thigh area near the joint.
Ankylosing Spondylitis 101. AS mainly affects the spine and sacroiliac joints (places where the spine joins the pelvis). Inflammation in these areas can cause back and hip pain and stiffness. Eventually, long-lasting inflammation may lead some bones of the spine, called vertebrae, to fuse together. This makes the spine less flexible and may lead to a stooped-over posture.