One of the reasons Britain became rich was because the Industrial Revolution (factories and such) got off the ground there sooner. Britain had a large navy, and many colonies in other parts of the world, such as India, and Rhodesia.
Full Muscles of the Arm and Hand Description. The muscles of the upper arm are responsible for the flexion and extension of the forearm at the elbow joint. Flexion of the forearm is achieved by a group of three muscles â the brachialis, biceps brachii, and brachioradialis.uscles of the Arm and Hand. The muscles of the arm and hand are specifically designed to meet the bodyâs diverse needs of strength, speed, and precision while completing many complex daily tasks.
Sometimes the cramp is so intense you can actually see the muscle ball up under the skin. Arm cramps come on at any time, but are usually associated with some activity or keeping your arm in the same position for a long period of time. Writing or painting are examples of the type of activity that can cause arm cramps. Arms cramps usually happen suddenly and are very painful.