Seeds. When considering which seeds count as fruits and which as vegetables when planting your garden, it is essential to first understand what constitutes a seed. Seeds develop after sexual reproduction combines the genetic material of two parent plants.
Upper Leg Pain Causes. There are many factors that play into causes of upper leg pain. Some upper leg pain causes include: 1  Hamstring injuries.  Overuse of the hip, hamstrings, and/or knees.
Quick Answer. The causes of leg muscle pain and weakness include various conditions, such as deep vein thrombosis, gout, various injuries and sprains, according to Mayo Clinic. Other causes of leg pain and weakness are osteoarthritis, sciatica and varicose veins. Continue Reading.