Keywords: Extensor carpi ulnaris, Tendon subluxation. The extensor carpi ulnaris (ECU) is a muscle located in the human forearm that acts to extend and adduct the wrist. It crosses through the sixth dorsal compartment where it is held tightly to the ulnar groove by a subsheath.
1 March: Mars, the Roman god of war, 2  April: Roman month Aprilis, perhaps derived from aperire, (Latin to open, as in opening buds and blossoms) or perhaps from Aphrodite, original Greek name of Venus, 3  May: Maia, Roman goddess, mother of Mercury by Jupiter and daughter of Atlas,rigin of the Names of the Months. 1  January: Janus, Roman god of doors, beginnings, sunset and sunrise, had one face looking forward and one backward, 2  February: On February 15 the Romans celebrated the festival of forgiveness for sins; (februare, Latin to purify), 3  March: Mars, the Roman god of war,
April was the second month in an early Roman calendar, but became the fourth when the ancient Romans started using January as the first month. The Romans called the month Aprilis. It may come from a word meanting 'to open', or it may come from Aphrodite, the Greek name for the goddess of love.