Muscular System – Axial and Appendicular Muscles PDF

Chapter 11 : Muscular System – Axial and Appendicular Muscles More than 600 skeletal muscles in human body Named on the basis of several characteristics. Location Size Shape Direction of fibers Number of origins Muscle action Origin and insertion Brief outlines only. For details, pl...

Chapter 11 : Muscular System – Axial and Appendicular Muscles More than 600 skeletal muscles in human body Named on the basis of several characteristics. Location Size Shape Direction of fibers Number of origins Muscle action Origin and insertion Brief outlines only. For details, please refer to the Lecture Text on Top Hat Muscles can be grouped based on their location and functions; Muscles of facial expression. Muscles of mastication. Muscles that move the head. Muscles of swallowing. Muscles of respiration. Trunk muscles that move the abdomen. Trunk muscles that move the vertebral column. Anterior trunk muscles that move the upper arm and shoulder. Posterior trunk muscles that move the upper arm and shoulder. Muscles that move the forearm at the elbow. Anterior muscles that move the hand and digits. Posterior muscles that move the hand and digits. Superficial anterior or medial muscles that move the thigh at the hip and/or move the knee. Deep anterior or medial muscles that move the thigh at the hip and/or move the knee. Posterior muscles that move the thigh at the hip and/or move the knee. Anterior and lateral muscles that move the ankle and digits. Posterior and lateral muscles that move the ankle and digits. Brief outlines only. For details, please refer to the Lecture Text on Top Hat Selected Skeletal Muscles: (Know the location of following muscles in the body. Also, know the function of muscles indicated by an asterisk *) A. Muscles of Head and Neck (selected muscles): 1. Epicranius (aka occipito-frontalis) 2. Orbicularis oculi 3. Orbicularis oris 4. Zygomaticus major and minor 5. Mentalis 6. Platysma 7. Masseter * 8. Temporalis 7. Buccinator 8. Sternocleidomastoid 9. Digastric 10. Stylohyoid Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat B. Anterior trunk muscles that move the arm and shoulder (selected muscles): 1. Pectoralis major 2. Deltoid * 3. Serratus anterior 4. Pectoralis minor 5. Biceps brachii * 6. Brachioradialis * Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat C. Posterior trunk muscles that move the arm and shoulder (selected muscles): 1. Trapezius 2. Latissimus dorsi 3. Triceps brachii * 4. Infraspinatus 5. Teres major 6. Rhomboids Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat D. Muscles that move the wrist and hand (selected muscles): 1. Flexor carpi ulnaris * 2. Flexor digitorum superficiales * 3. Extensor digitorum * 4. Extensor carpi ulnaris * Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat E. Trunk muscles that move the abdomen (selected muscles): 1. Rectus abdominis 2. External oblique 3. Internal oblique 4. Transversus abdominis Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat F. Muscles of respiration (selected muscles): 1. External intercostals 2. Internal intercostals * 3. Diaphragm * Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat G. Anterior muscles that move the leg at the hip and/or move the knee (selected muscles): 1. Iliopsoas 2. Sartorius 3. Gracilis 4. Adductor longus Quadriceps femoris includes following four muscles: 5. Rectus femoris * 6. Vastus lateralis * 7. Vastus medialis * 8. Vastus intermedius * Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat H. Posterior muscles that move the leg at the hip and/or move the knee (selected muscles): 1. Gluteus maximus Hamstrings include the following muscles: 2. Biceps femoris * 3. Semitendinosus * 8. Semimembranosus * Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat I. Muscles that move the ankle and foot (selected muscles): 1. Tibialis anterior * 2. Extensor digitorum longus * 3. Flexor digitorum longus * 4. Gastrocnemius * 5. Soleus Brief outlines only. For details, please refer to the Lecture Text on Top Hat Brief outlines only. For details, please refer to the Lecture Text on Top Hat