琴Myology0803.ppt

structure Muscle belly肌腹 Tendon肌腱 aponeurosis 腱膜 The origin, insertion, and architecture of the skeletal muscle The Supplementary Structures of Muscle Fascia 筋膜 Superficial fascia Deep fascia Synovial bursa 滑膜囊 Structures passing through the inguinal canal Inguinal Triangle (of Hesselbach)  腹股沟三角 Summary 2.Internal abdominal oblique 腹内斜肌 conjoint tendon 腹股沟镰，联合腱 3. Transversus abdominis 腹横肌 4. Rectus abdominis 腹直肌 Anterior layeraponeurosis of the external and internal abdominal oblique 5.Sheath of rectus abdominis腹直肌鞘 Posterior layeraponeurosis of the internal abdominal oblique and transversus abdominis 6. Linea alba 白线 Psoas major 腰大肌 Quadratus lumborum 腰方肌 Posterior group Inguinal canal 腹股沟管 Two openings Superficial inguinal ring 腹股沟浅环 Deep inguinal ring 腹股沟深环 Boundaries Anterior wall Posterior wall Roof Floor * * Chapter 3 Myology 肌学 王汉琴 E-mail:hanqinwang111@ Department of Anatomy Yunyang medical college Bones:lever Skeletal muscle: motive force system Joints:axis/hinge There are more than 600 skeletal muscles in the human body, which together account for about 40 percent of a person’s weight. The skeletal muscles produce the skeletal movement, maintain posture and position, support soft tissue, and keep body temperature. Morphology and structure of skeletal muscle Morphology Long muscle Short muscle Flat muscle Orbicular muscle The origin and insertion of the skeletal muscle Architecture of muscles 肌的配布: 原动肌、拮抗肌、协同肌、固定肌 Tendinous sheath 腱鞘 Fibrous layer Synovial layer: mesotendon腱系膜 Sesamoid bone 籽骨 Section 2 The Muscles of the Head The muscles of the head can be divided into two groups: the muscles of the facial expression and the muscles of mastication. 1. The facial muscles面肌 2. The masticatory muscles 咀嚼肌 the masseter 咬肌 the temporalis颞肌 the medial pterygoid 翼内肌 the lateral pterygoid 翼外肌 Section 3