Electromyography, Ultrasound, Nerve conduction study, Ultrasound-guided cortisone injection, Ultrasound-guided injectio...n, Ultrasound-guided musculoskeletal injection, Upper extremity functional restoration, Neuromuscular disorder, Muscular dystrophy, Myopathy, Brachial plexus injury, Peripheral nerve injury, Guillain Barre syndrome, Carpal tunnel syndrome, Amyotrophic lateral sclerosis, Thumb arthritis, Ulnar neuropathy, de Quervain's tenosynovitis, Nerve compression syndrome, Thoracic outlet syndrome, Charcot-Marie-Tooth disease, Ulnar wrist pain, Ganglion cyst, Motor neuron disease, Brachial plexus neuropathy, Trigger finger, Ulnar nerve entrapment, Neuropathy, Radial neuropathy, Basal joint arthritis, Median neuropathy, Cubital tunnel syndrome, Hand arthritis, Neuralgic amyotrophy, Nerve entrapment, Hand injury, Mononeuropathies, Inclusion body myositis, Wrist osteoarthritis