Fractures of the humerus, scapula and clavicle usually result from a direct blow or a fall onto an outstretched hand. Most can be treated by immobilization. Dislocation of the humerus, strain or sprain of the acromioclavicular and sternoclavicular joints, and rotator cuff injury often can be managed conservatively.
There are many predaceous insects. They eat other animals, including other insects and vertebrates. There are many predaceous insects. They eat other animals, including other insects and vertebrates.
Insects are all over rivers and not on top of the rivers. Nearly all insects that trout eat originate from beneath the surface of the water. Nymphs and larvae can be found in nearly every river. Trout use these as their main source of food.