Muscles of the Abdomen, Chest and Neck

Write these in your notes. Use them in your dissection Write these in your notes. Use them in your dissection. Study them for the Mink Quiz 1 Muscle Origin Insertion Action *Rectus Abdominis Pubis Ribs, Xyphoid Process Flexes and rotates lumbar vertebrae *External Oblique Ribs Pubis, Ilium, Linea Alba Flexes vertebral column *Pectoralis Major Clavicle and Ribs Humerus Flexes, rotates, and adducts arm *Pectoralis Minor Scapula Depresses and rotates scapula *Masseter Skull Mandible Elevates mandible *Temporalis Elevates and Retracts Mandible *Sternomastoid Sternum; clavicle Flexes and rotates head

Rectus Abdominis External Obliques External Obliques

Sternomastoid Pectoralis Major Pectoralis Minor

Temporalis Masseter

Muscles of the Back

Write these in your notes. Use them in your dissection Write these in your notes. Use them in your dissection. Study them for the Mink Quiz 2 Muscle Origin Insertion Action *Latissimus Dorsi Thoracic Vertebrae Humerus Extends, Adducts, Medially Rotates Arm *Spinotrapezius Scapula Rotates scapula backwards *Acromiotrapezius Adducts and stabilizes scapula *Clavotrapezius Skull Clavobrachialis raphe Flexes Arm *Clavobrachialis/ Clavodeltoid Clavicle Spinodeltoideus Flexes and abducts arm Acromiodeltoideus Flexes and rotates arm Subscapularis Adducts and extends arm

Acromiotrapezius Spinotrapezius Latissimus Dorsi Temporalis Clavotrapezius

Muscles of the Forearm

Extensor Carpi Radialis Longus 2nd and 3rd metacarpals Write these down in your notes and study them. There will be a quiz over them on Friday. Muscles of the Forearm Origin Insertion Action *Brachioradialis Humerus Radius Supinates Paw Extensor Carpi Radialis Longus 2nd and 3rd metacarpals Extends and flexes wrist Extensor Carpi Radialis Brevis 3rd metacarpal Extends and abducts hand Extensor Digitorum Communis Phalanges of digits 2-5 Extends digits 2-5 Extensor Digitorum Lateralis Phalanges of digits 3-5 Extends digits 3-5 Extensor Carpi Ulnaris 5th Metacarpal Extends and rotates wrist Flexor Carpi Ulnaris Humerus and Ulna Carpals Flexes Wrist Flexor Carpi Radialis Ulna Pisiform Flexes wrist Palmaris Longus Palmar Aponeurosis * Will be on the muscle identification portion of the test

Extensor radialis longus brevis Extensor digitrum lateralis Extensor radialis longus Brachioradials Extensor digitorum superficialis Extensor carpi ulnaris

Palmaris Longus Flexor Digitorum Superficialis Biceps Brachii Flexor Carpi Ulnaris Brachioradialis Flexor Digitorum Profundus

Muscles of the Abdomen, Chest and Neck

Muscles of the Hindlimb – Quiz 4 Origin Insertion Action *Gluteus Maximus Posterior ilium, coccyx, sacrum Vertebrae Extends, laterally rotates and abducts thigh Gluteus Medius Ilium and Vertebrae Femur Rotates medially and abducts the thigh *Sartorius Ilium Patella and Tibia Adduct, rotate, and flex the femur Extends the tibia Rectus Femoris Flexes hip, extends knee Gracilis Pubis Tibia Adducts hip, medially rotates and flexes leg *Semimembranosus Ischium Femur and Tibia Extends thigh Flexes and medially rotates leg Adductor Femoris Pubis and Ischium Adducts and extends thigh Adductor Longus Adduct and extends thigh Pectineus Adducts, medially rotates, and flexes hip *Gastrocnemius Calcaneous Plantar flexion of the foot * Will be on the muscle identification portion of the test

Biceps femoris Gastrocnemius Semimembranosus

Vastus lateralis Biceps femoris Sartorius Gleteus maximus

Dissection 3 Be able to identify the following muscles: Rectus Abdominis External Obliques Pectoralis Major and Minor Sternomastoid Masseter Temporalis Clavotrapezius Acromiotrapezius Spinotrapezius Latissimus Dorsi Clavodeltoid Brachioradialis Gluteus Maximus Sartorius Semimembranosus Gastrocnemius Use page 18-19 in your Mink Booklet to help you identify the muscles.