Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Muscles to Identify Friends don’t let friends use anabolic steroids!

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Presentation transcript:

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Muscles to Identify Friends don’t let friends use anabolic steroids!

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Naming Skeletal Muscles  A. Location of muscle  B. Shape of muscle  C. Relative size  D. Direction of fibers  E. Number of origins  F. Location of attachments  G. Action

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings A. Location of muscle – bone or body region associated with the muscle Frontalis Temporalis Occipitalis

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings B. Shape of muscle Deltoid Trapezius Rhomboid major

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings C. Relative size Gluteus maximus Gluteus medius Gluteus minimus

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings D. Direction of fibers External oblique Rectus abdominis Internal oblique Transversus abdominis

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings E. Number of origins Biceps brachii

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings G. Action

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Muscles of the Head and Neck

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Orbicularis Oculi  Point of Origin= Medial wall of the orbit  Point of Insertion= Circular path around the orbit  Action= Closes eyes

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Orbicularis Oris  Point of Origin= Mandible and Maxilla  Point of Insertion= Corners of the mouth  Action= Closes mouth; purse lips; kissing

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Temporalis  Point of Origin= Superior temporal fossa  Point of Insertion= Coronoid process of the mandible  Action= Closes jaw and elevates the mandible

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Sternocleidomastoid  Point of Origin= Manubrium (Sternum) and Clavicle  Point of Insertion= Mastoid process (Temporal bone)  Action= Flexion of neck and rotation of head

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings F. Location of attachments Sternocleidomastoid

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

Anterior Shoulder and Thorax Muscles

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Abdominal Muscles

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Posterior Shoulder and Thorax Muscles

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Pectoralis Major  Point of Origin= Medial and anterior clavicle, lateral manubrium, and lateral sternal body  Point of Insertion= Lateral lip of intertubercular sulcus  Action= Adduction and Internal rotation of the shoulder

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Rectus Abdominis  Point of Origin= Pubic crest and pubic symphysis  Point of Insertion= 5 th -7 th costal cartilages  Action= Flexion of the vertebral column and posterior tilt of the pelvis

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings External Oblique  Point of Origin= Ribs 5-12 (at an angle)  Point of Insertion= Anterior iliac crest and lateral to the rectus abdominis  Action= Flexion and rotation of vertebral column

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Supraspinatus  Point of Origin= Supraspinous fossa  Point of Insertion= Greater tubercle of the humerus  Action= Abduction of the shoulder

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Infraspinatus  Point of Origin= Infraspinous fossa  Point of Insertion= Greater tubercle of the humerus  Action= External (lateral) rotation of the shoulder

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings

Trapezius  Point of Origin= Occipital bone and the spinous processes of C7 through T12  Point of Insertion= Clavicle, acromion and spine (of the scapula)  Action= Elevation and depression of the scapula

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Levator Scapulae  Point of Origin= Transverse processes C1-C4  Point of Insertion= Superior angle of the scapula  Action= elevation of the scapula

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Latissimus Dorsi  Point of Origin= Spinous processes of T6-L5, the iliac crest, the sacrum and ribs 9-12.nous  Point of Insertion= Intertubercular sulcus  Action= Adduction of the humerus

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Deltoid  Point of Origin= Clavicle, acromion and spine of the scapula  Point of Insertion= Deltoid tuberosity  Action= Abduction of the shoulder

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Anterior and Posterior Deltoid

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. Figure 10.15a–b Muscles crossing the shoulder and elbow joints, causing movements of the arm and forearm, respectively. Clavicle Supraspinatus* Deltoid Sternum Pectoralis major Coracobrachialis Triceps brachii: Lateral head Long head Medial head Biceps brachii Brachialis Brachio- radialis Spine of scapula Deltoid (cut) Greater tubercle of humerus Infraspinatus* Teres minor* Teres major Triceps brachii: Lateral head Long head Latissimus dorsi Humerus Olecranon of ulna Anconeus Posterior view Anterior view

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Brachialis  Point of Origin= Distal, anterior surface of the humerus  Point of Insertion= Coronoid process of the ulna  Action=Flexion of the elbow

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Biceps Brachii Point of Origin= Long head: superior margin of the glenoid fossa Short head: the coracoid process of the scapula Point of Insertion= Radial tuberosity Action= Flexion of the elbow

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Triceps Brachii Point of Origin= ong Long head: the inferior margin of the Glenoid fossa Lateral head: the lateral, posterior surface of the humerus Medial head: the posterior surface of the humerus  Point of Insertion= Olecranon  Action= Extension of the elbow

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. Superficial transverse ligament of palm Palmar aponeurosis Flexor digitorum superficialis Flexor carpi ulnaris Palmaris longus Flexor carpi radialis Medial epicondyle of humerus Medial head of triceps brachii Flexor retinaculum Pronator quadratus Flexor pollicis longus Extensor carpi radialis longus Brachio- radialis Pronator teres Tendon of biceps brachii Biceps brachii Figure 10.16a Muscles of the anterior fascial compartment of the forearm acting on the right wrist and fingers.

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. Figure 10.17a Muscles of the posterior fascial compartment of the right forearm acting on the wrist and fingers. Extensor expansion Tendons of extensor digitorum Extensor pollicis longus Extensor pollicis brevis Abductor pollicis longus Extensor digitorum Extensor carpi radialis brevis Extensor carpi radialis longus Tendons of extensor carpi radialis brevis and longus Extensor indicis Extensor digiti minimi Extensor carpi ulnaris Flexor carpi ulnaris Anconeus Insertion of triceps brachii Brachioradialis

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. 12th rib Quadratus lumborum Psoas minor Iliac crest Iliopsoas Psoas major Iliacus 12th thoracic vertebra 5th lumbar vertebra Anterior superior iliac spine Tensor fasciae latae Pectineus Sartorius Adductor longus Quadriceps femoris Rectus femoris Gracilis Adductor magnus Vastus lateralis Vastus medialis Tendon of quadriceps femoris Patella Patellar ligament Figure 10.20a Anterior and medial muscles promoting movements of the thigh and leg.

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. Figure 10.21a Posterior muscles of the right hip and thigh. Gluteus medius Gluteus maximus Adductor magnus Gracilis Iliotibial tract Long head Short head Biceps femoris Hamstrings Semitendinosus Semimembranosus

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. Figure 10.22a Muscles of the anterior compartment of the right leg. Fibularis longus Gastrocnemius Tibia Tibialis anterior Extensor digitorum longus Soleus Extensor hallucis longus Fibularis tertius Superior and inferior extensor retinacula Extensor hallucis brevis Extensor digitorum brevis

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. Figure 10.24a Muscles of the posterior compartment of the right leg. Plantaris Gastrocnemius Medial head Lateral head Tendon of gastrocnemius Calcaneal tendon Medial malleolus Superficial view of the posterior leg. Lateral malleolus Calcaneus

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings © 2014 Pearson Education, Inc. Figure 10.24b Muscles of the posterior compartment of the right leg. The gastrocnemius has been removed to show the soleus immediately deep to it. Tendon of tibialis posterior Fibularis brevis Fibularis longus Tendon of plantaris Soleus Gastrocnemius Lateral head (cut) Medial head (cut) Head of fibula Popliteus Plantaris

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Rectus Femoris  Point of Origin= AIIS  Point of Insertion= Tibial tuberosity  Action= Extension of the knee joint

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Vastus Lateralis  Point of Origin= Greater trochanter  Point of Insertion= Tibial tuberosity  Action= Extension of the knee joint

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Vastus Medialis  Point of Origin= Intertrochanteric line  Point of Insertion= Tibial tuberosity  Action= Extension of the knee joint

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Gracilis  Point of Origin= Inferior pubic ramus  Point of Insertion= Medial condyle of the tibia  Action= Adduction of the hip and flexion of the knee

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Sartorius  Point of Origin= ASIS  Point of Insertion= Medial and anterior tibia  Action= Hip flexion and medial rotation of the knee

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Gluteus Medius  Point of Origin= Lateral surface of the ilium  Point of Insertion= Greater trochanter  Action= Abduction of the hip

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Gluteus Maximus  Point of Origin= lateral surface of the ilium  Point of Insertion=Gluteal tuberosity and iliotibial (IT) band  Action=Extension and abduction of thigh at the hip

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Tibialis Anterior  Point of Origin= Lateral condyle of the tibia  Point of Insertion= Medial cuneiform and 1 st metatarsal  Action= Dorsiflexion and inversion of the foot

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings Gastrocnemius  Point of Origin= Medial and lateral condyles of the femur  Point of Insertion= Posterior calcaneus  Action= Plantar flexion

Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings