Titlebook: Shoulderology; Searching for "Whys" Eiji Itoi Book 2023 The Editor(s) (if applicable) and The Author(s), under exclusive license to Springe

人造

Introduction,of knowledge. This word seems to be first used in a book entitled . published in 1896, written by William Henry Sladdin, a seamster in London. He mentioned the importance of shoulder for men and bust for women when tailoring clothes. Professor Hiroaki Fukuda, late professor of Tokai University, ofte

meretricious

Physical Examination of the Shouldercan tell without asking the patient that he/she is holding the arm to avoid any movement of the shoulder because a subtle movement can cause shoulder pain. It could be a shoulder dislocation, calcifying tendinitis, etc. By observing the walking pattern such as using a cane or using a wheelchair, you

歹徒

Rotator Cuff Tear They are the supraspinatus, infraspinatus, teres minor, and subscapularis. The tendinous portions of these four muscles unite and cover the entire humeral head except for a gap between the supraspinatus and the subscapularis, which is called the rotator interval.

Limpid

EXPEL

沉默

Multidirectional Instability (Loose Shoulder) German term “sog. Schulterschlottergelenk,” which means the so-called loose shoulder. His patients had no history of trauma, had hyperlaxity of the shoulder, and showed inferior dislocation or subluxation in the hanging arm position at rest. In addition to dull pain at rest, they often complained m

condemn

果核

Long Head of the Bicepsracoid process. Both heads merge to form a distal muscle belly and the main portion inserts to the radial tuberosity of the radius and the rest to the deep fascia of the forearm called bicipital aponeurosis. The biceps brachii is a two-joint muscle crossing the shoulder and the elbow. The long head

Assault

Throwing Shoulder motion in various sports such as baseball, softball, volleyball, handball, javelin/hammer/discus throw, serving in tennis/badminton, and volleyball spike. Repeating these overhead motions may cause various injuries of the shoulder, which is called throwing shoulder or thrower’s shoulder. When pain