class 3 ap1 muscles

Download Class 3 Ap1 Muscles

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  • 1. Muscles of the Head & Neck
  • 2.
    • Muscles from Weeks One and Two
  • 3. Supraspinatus
    • P: Supraspinous Fossa of the scapula
    • D: Greater tubercle of the humerus
    • 1. Abducts the arm at the shoulder joint
    • Part of the rotator cuff muscle group
  • 4. Infraspinatus
    • P: Infraspinous fossa of the scapula
    • D: Greater tubercle of the humerus
    • 1. Laterally rotates the arm at the shoulder joint
    • Part of the rotaor cuff muscle group
  • 5. Teres minor
    • P: Superior lateral border of the scapula
    • D: Greater tubercle of the humerus
    • 1. Laterally rotates the arm at the shoulder joint
    • Part of the rotator cuff muscle group
  • 6. Subscapularis
    • P: Subscapular fossa of the scapula
    • D: Lesser tubercle of the humerus
    • 1. Medially rotates the arm at the shoulder joint
    • Part of the rotator cuff muscle group
  • 7. Teres Major
    • P: Inferior lateral border of the scapula
    • D: Medial lip of the bicipital groove of the humerus
    • 1. Medially rotates the arm at the shoulder joint
    • 2. Adducts the arm at the shoulder joint
    • 3. Extends the arm at the shoulder joint
  • 8. Deltoid
    • P: Lateral clavicle, acromion process, and the spine of the scapula
    • D: Deltoid tuberosity of the humerus
    • 1. Abducts the arm at the shoulder joint (entire muscle)
    • 2. Flexes the arm at the shoulder joint (anterior deltoid)
    • 3. Extends the arm at the shoulder joint (posterior deltoid)
    • 4. Medially rotates the arm at the shoulder joint (anterior deltoid)
    • 5. Laterally rotates the arm at the shoulder joint (posterior deltoid)
  • 9. Coracobrachialis
    • P: Coracoid process of the scapula
    • D: Medial shaft of the humerus
    • Flexes the arm at the shoulder joint
    • Adducts the arm at the shoulder joint
  • 10. Biceps Brachii
    • P: Long head: Supraglenoid tubercle of the scapula
    • Short head: Coracoid process of the scapula
    • D: Radial tuberosity
    • Flexes the forearm at the elbow joint (entire muscle)
    • Supinates the forearm at the radioulnar joints (entire muscle)
    • Flexes the arm at the shoulder joint (entire muscle)
  • 11. Brachialis
    • P: Distal of the anterior shaft of the humerus
    • D: Ulnar tuberosity
    • 1. Flexes the forearm at the elbow joint
  • 12. Triceps Brachii
    • P: Long head: Infraglenoid tubercle of the scapula
    • Lateral head: Posterior shaft of the humerus
    • Medial head: Posterior shaft of the humerus
    • D: Olecranon process of the ulna
    • 1. Extends the forearm at the elbow joint
  • 13. Pronator Teres Muscle
    • P: Humeral head: Medial epicondyle of the humerus via common flexor tendon
    • Unlnar head: Coronoid process of ulna
    • D: Laterla radius
    • Pronates the forearm at the radioulnar joint
    • Flexes the forearm at the elbow joint
  • 14. Flexor Carpi Radialis
    • P: Medial epicondyle of the humerus
    • D: Radial hand on the anterior side
    • Flexes the hand at the wrist joint
    • Radially deviates (abducts) the hand at the wrist joint
  • 15. Palmaris Longus
    • P: Medial epicondyle of the humerus
    • D: Palm of hand
    • 1. Flexes the hand at the wrist joint
  • 16. Flexor Carpi Ulnaris
    • P: Medial epicondyle of the humerus
    • D: Ulnar hand on the anterior side
    • Flexes the hand at the wrist joint
    • Ulnar deviates (adducts) the hand at the wrist joint
  • 17. Brachioradialis
    • P: Lateral supracondylar ridge of the humerus
    • D: Styloid process of the radius
    • 1. Flexes the forearm at the elbow joint
  • 18. Flexor Digitorum Superficialis
    • Flexes fingers 2-5 at the metacarpophalangeal and proximal interphalangeal joints
    • Flexes the hand at the wrist
  • 19. Pronator Quadratus
    • P: Anterior distal ulna
    • D: Anterior distal radius
    • 1. Pronates the forearm at the radioulnar joints
  • 20. Flexor digitorum profundus
    • Flexes fingers 2-5 at the metacarpophalangeal and proximal and distal interphalangeal joints
    • Flexes the hand at the wrist
  • 21. Extensor Carpi Radialis Longus
    • P: Lateral supracondylar ridge of the humerus
    • D: Radial hand on the posterior side
    • Extends the hand at the wrist joint
    • Radially deviates (abducts) the hand at the wrist joint
  • 22. Extensor Carpi Radialis Brevis
    • P: Lateral epicondyle of the humerus
    • D: Radial hand on the posterior side
    • Extends the hand at the wrist joint
    • Radially deviates (abducts) the hand at the wrist joint
  • 23. Extensor Digitorum
    • Extends fingers 2-5 at the metacarpophalangeal and proximal and distal interphalangeal joints
    • Extends the hand at the wrist joint
  • 24. Extensor Digiti Minimi
    • Extends the Little Finger at the Metacarpophalangeal and Proximal and Distal Interphalangeal Joints
    • Extends the hand at the wrist joint
  • 25. Extensor Carpi Ulnaris
    • P: Lateral epicondyle of the humerus and the ulna
    • D: Ulnar hand on the posterior side
    • Extends the hand at the wrist joint
    • Ulnar deviates (adducts) the hand at the wrist joint
  • 26. Supinator
    • P: Lateral epicondyle of the
    • humerus and proximal ulna
    • D: Proximal radius
    • 1. Supinates the forearm at the radioulnar joints
  • 27. WEEK THREE
    • Muscles of the Head and Neck
  • 28. Temporalis Muscle
    • P: Temporal fossa
    • D: Coronoid process and the ramus of the mandible
    • 1. Elevates the mandible at the temporomandibular joint
  • 29.
  • 30.
  • 31.
  • 32.
    • Very painful cramp when the temporalis muscle goes into spasm
  • 33. Masseter
    • P: Inferior margins of both the zygomatic bone and the zygomatic arch of the temporal bone
    • D: Angle, ramus, and coronoid process of the mandible
    • 1. Elevates the mandible at the temporomandibular joint
  • 34.
  • 35.
  • 36. Lateral Pterygoid
    • Protracts the mandible at the temporomandibular joint
  • 37. Medial Pterygoid
    • Elevates the mandible at the temporomandibular joint
  • 38. Trapezius muscle