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.
Causes of Sharp Pain in Thigh. 1. Prolonged Sitting. Sitting for long hours without moving can prevent blood flow in the leg causing numbness. The blood circulation is restored to normal once the leg begins to move causing the pain. This often occurs due to prolonged travel, or office sitting.