1. Muscular Anatomy Overview of Major Muscles

2. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Neuromuscular Junction Sarcolemma Axon Receptor Neurotransmitter acetylcholine (Ach) Axon Terminal Synaptic Cleft

3. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. The Motor Unit Dendrites Neuron cell body Muscle fibres Neuromuscular junction Terminal branches Axon hillock Myelin sheath Neurolemma Motor neuron Direction of action potential Motor end plate

4. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. The Anatomy of Skeletal Muscle  Muscle fibre looking outward:  Perimysium  Binds muscle fibres together  Epimysium  Sheath enveloping entire muscle  Muscle fibre looking inward:  Endomysium  Sheath of connective tissue surrounding muscle fibre  Sarcolemma  Contains cytoplasm (sarcoplasm)  Myofibrils  Contain actin and myosin  Sarcomeres  Contains myosin and actin Perimysium Muscle fibre Epimysium Endomysium Muscle belly Tendon

5. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscle Fibre Z line Sarcomere Sarcoplasmic reticulumSarcolemma Tendon Thin filament Thick filament Muscle belly Muscle Fibre Sarcomere EpimysiumPerimysium Z line Myofibril

6. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. The Sliding Filament Theory  Myosin crossbridges (small “bridges” on the thick filaments that extend to the thin filaments)

7. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. The Sliding Filament Theory  Myosin crossbridges  Attach, rotate, detach, and re-attach in rapid succession

8. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. The Sliding Filament Theory  Myosin crossbridges  Results in the sliding or overlap of the actin and myosin filaments  Causes sarcomere to contract (muscle contraction)

11. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Abdomen Rectus abdominis External oblique Quadratus lumborum (deep)

12. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Clavicular head of pectoralis major Sterncostal head of pectoralis major Muscles of the Shoulder

13. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Shoulder – cont’d Latissimus dorsi Infraspinatus Supraspinatus

14. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Rotator Cuff Supraspinatus Teres minor Infraspinatus

15. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Rotator Cuff – cont’d Subscapularis

16. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Levator scapulae Rhomboid minor Rhomboid major Trapezius Teres major Muscles that Act on the Scapula

17. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles that Act on the Scapula – cont’d Teres major

18. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles that Move the Humerus Deltoid (anterior and lateral heads) Coracobrachialis

19. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles that Move the Humerus – cont’d Pectoralis minor Coracobrachialis Serratus anterior

20. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Elbow Flexors / Extensors – Anterior Biceps brachii Pronator teres Brachialis Brachioradialis

21. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Elbow Flexors / Extensors – Posterior Triceps brachii (short head) Triceps brachii (long head)

22. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Forearm – Anterior Biceps brachii Pronator teres Brachioradialis Pronator quadratus (deep)

23. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Forearm – Posterior Brachioradialis Triceps brachii (lateral head) Anconeus

24. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Forearm – Posterior (deep) Supinator

25. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Extrinsic Hand Muscles – Anterior Flexor carpi radialis Palmaris longus Flexor carpi ulnaris Flexor digitorum superficialis

26. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Extrinsic Hand Muscles – Posterior Extensor carpi radialis longus Extensor digitorum Extensor carpi ulnaris Extensor carpi radialis brevis Extensor digit minimi

27. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Hip – Anterior Psoas minor Psoas major Iliacus Iliopsoas Tensor fasciae latae Pectineus Sartorius Gracilis Rectus femoris Iliotibial tract (band)

28. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Hip – Posterior Gluteus medius Gluteus minimus Gluteus maximus (cut) Gracilis

29. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Hip – Anterior (adductors) Pectineus (cut) Adductor brevis Adductor longus Adductor magnus Adductor group

30. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Thigh – Anterior Rectus femoris Vastus intermedius (underneath) Vastus lateralis Vastus medialis Quadriceps femoris group

31. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Muscles of the Thigh – Posterior Semitendinosus Biceps femoris Semimembranosus Hamstring muscle group

32. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Extrinsic Foot Muscles – Anterior Extensor digitorum longus Tibialis anterior Extensor hallucis longus

33. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Extrinsic Foot Muscles – Posterior Calcaneal tendon (Achilles tendon) Gastrocnemius (medial and lateral heads) Soleus

34. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Extrinsic Foot Muscles – Posterior (deep) Popliteus Tibialis posterior Fibularis (Peroneus) longus Flexor hallucis longus Fibularis (Peroneus) brevis Flexor digitorum longus

35. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Intrinsic Foot Muscles – Superficial Flexor digitorum brevis

36. ©Thompson Educational Publishing, Inc. 2003. All material is copyright protected. It is illegal to copy any of this material. This material may be used only in a course of study in which Exercise Science: An Introduction to Health and Physical Education (Temertzoglou/Challen) is the required textbook. Intrinsic Foot Muscles – Intermediate Quadratus plantae