Class Two Muscles of the Forearm
 
Supraspinatus <ul><li>P:  Supraspinous Fossa of the scapula </li></ul><ul><li>D:  Greater tubercle of the humerus </li></u...
Infraspinatus <ul><li>P:  Infraspinous fossa of the scapula </li></ul><ul><li>D:  Greater tubercle of the humerus </li></u...
Teres minor <ul><li>P:  Superior lateral border of the scapula </li></ul><ul><li>D:  Greater tubercle of the humerus  </li...
Subscapularis <ul><li>P:  Subscapular fossa of the scapula </li></ul><ul><li>D:  Lesser tubercle of the humerus </li></ul>...
Teres Major <ul><li>P:  Inferior lateral border of the scapula </li></ul><ul><li>D:  Medial lip of the bicipital groove of...
Deltoid <ul><li>P:  Lateral clavicle, acromion process, and the spine of the scapula </li></ul><ul><li>D:  Deltoid tuberos...
Coracobrachialis <ul><li>P:  Coracoid process of the scapula </li></ul><ul><li>D:  Medial shaft of the humerus </li></ul><...
Biceps Brachii <ul><li>P:  Long head:  Supraglenoid tubercle of the scapula </li></ul><ul><li>Short head:  Coracoid proces...
Brachialis <ul><li>P:  Distal ½ of the anterior shaft of the humerus </li></ul><ul><li>D:  Ulnar tuberosity </li></ul><ul>...
Triceps Brachii <ul><li>P:  Long head:  Infraglenoid tubercle of the scapula </li></ul><ul><li>Lateral head:  Posterior sh...
 
Pronator Teres Muscle <ul><li>P:  Humeral head:  Medial epicondyle of the humerus via common flexor tendon </li></ul><ul><...
 
 
 
Flexor Carpi Radialis <ul><li>P:  Medial epicondyle of the humerus </li></ul><ul><li>D:  Radial hand on the anterior side ...
Flexor Carpi Radialis
 
 
Palmaris Longus <ul><li>P:  Medial epicondyle of the humerus </li></ul><ul><li>D:  Palm of hand </li></ul><ul><li>1.  Flex...
Palmaris Longus
Palmaris Longus Inserts to the palm of the hand
 
Flexor Carpi Ulnaris <ul><li>P:  Medial epicondyle of the humerus </li></ul><ul><li>D:  Ulnar hand on the anterior side </...
Flexor Carpi Ulnaris:  Medial epicondyle of the Humerus via the Common Flexor Tendon and the Ulna
 
Brachioradialis <ul><li>P:  Lateral supracondylar ridge of the humerus </li></ul><ul><li>D:  Styloid process of the radius...
 
 
 
 
Vineyard, Rome, Italy
Flexor Digitorum Superficialis <ul><li>Flexes fingers 2-5 at the metacarpophalangeal and proximal interphalangeal joints <...
 
 
Pronator Quadratus <ul><li>P:  Anterior distal ulna </li></ul><ul><li>D:  Anterior distal radius </li></ul><ul><li>1.  Pro...
 
 
Flexor digitorum profundus <ul><li>Flexes fingers 2-5 at the metacarpophalangeal and proximal and distal interphalangeal j...
 
 
 
 
 
Sicily, Italy
Extensor Carpi Radialis Longus <ul><li>P:  Lateral supracondylar ridge of the humerus </li></ul><ul><li>D:  Radial hand on...
 
 
Extensor Digitorum <ul><li>Extends fingers 2-5 at the metacarpophalangeal  and proximal and distal interphalangeal joints ...
Extensor Carpi Radialis Brevis <ul><li>P:  Lateral epicondyle of the humerus </li></ul><ul><li>D:  Radial hand on the post...
 
 
 
 
Extensor Digiti Minimi <ul><li>Extends the Little Finger at the Metacarpophalangeal and Proximal and Distal Interphalangea...
 
Extensor Carpi Ulnaris <ul><li>P:  Lateral epicondyle of the humerus and the ulna </li></ul><ul><li>D:  Ulnar hand on the ...
 
 
 
 
 
Supinator <ul><li>P:  Lateral epicondyle of the  </li></ul><ul><li>humerus and proximal ulna </li></ul><ul><li>D:  Proxima...
 
 
The Thenar Group: <ul><li>Abductor Pollicis Brevis </li></ul><ul><li>Flexor Pollicis Brevis </li></ul><ul><li>Opponens Pol...
Thenar Muscle Group
The Hypothenar Group <ul><li>Abductor Digiti Minimi Manus </li></ul><ul><li>Flexor Digiti Minimi Manus </li></ul><ul><li>O...
Hypothenar Muscle Group
The Central Compartment Group <ul><li>Adductor Pollicis </li></ul><ul><li>Lumbricals Manus </li></ul><ul><li>Palmar Intero...
A Superficial Fascial Muscle <ul><li>Palmaris Brevis </li></ul>
Venice, Italy
 
 
 
 
 
 
 
 
<ul><li>Have the client seated </li></ul><ul><li>Partially flex forearm and have the forearm half way between pronation an...
<ul><li>Client seated </li></ul><ul><li>Place palpating hand across anterior wrist </li></ul><ul><li>Have client actively ...
<ul><li>Have client seated </li></ul><ul><li>Place palpating hand on anterior wrist </li></ul><ul><li>Ask the client to cu...
<ul><li>Have client seated </li></ul><ul><li>Place palpating hand across anterior wrist </li></ul><ul><li>Have client acti...
<ul><li>Have client seated with forearm flexed at the elbow 90 degrees, and in a position halfway between pronation and su...
<ul><li>Have client seated (This is a difficult muscle to palpate). </li></ul><ul><li>Place palpating hand distally on the...
<ul><li>Have client seated  </li></ul><ul><li>Place palpating hand posterior to brachioradialis </li></ul><ul><li>Ask clie...
<ul><li>Client seated </li></ul><ul><li>Pinch the radial group of forearm muscles with your thumb on one side and your fin...
<ul><li>Have client seated </li></ul><ul><li>Place palpating hand directly posterior to the shaft of the ulna and feel for...
<ul><li>Have the client seated with the forearm passively flexed, pronated, and resting on the lap </li></ul><ul><li>Pinch...
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Class Two Ap1 Muscles

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Class Two Ap1 Muscles

  1. 1. Class Two Muscles of the Forearm
  2. 3. Supraspinatus <ul><li>P: Supraspinous Fossa of the scapula </li></ul><ul><li>D: Greater tubercle of the humerus </li></ul><ul><li>1. Abducts the arm at the shoulder joint </li></ul><ul><li>Part of the rotator cuff muscle group </li></ul>
  3. 4. Infraspinatus <ul><li>P: Infraspinous fossa of the scapula </li></ul><ul><li>D: Greater tubercle of the humerus </li></ul><ul><li>1. Laterally rotates the arm at the shoulder joint </li></ul><ul><li>Part of the rotaor cuff muscle group </li></ul>
  4. 5. Teres minor <ul><li>P: Superior lateral border of the scapula </li></ul><ul><li>D: Greater tubercle of the humerus </li></ul><ul><li>1. Laterally rotates the arm at the shoulder joint </li></ul><ul><li>Part of the rotator cuff muscle group </li></ul>
  5. 6. Subscapularis <ul><li>P: Subscapular fossa of the scapula </li></ul><ul><li>D: Lesser tubercle of the humerus </li></ul><ul><li>1. Medially rotates the arm at the shoulder joint </li></ul><ul><li>Part of the rotator cuff muscle group </li></ul>
  6. 7. Teres Major <ul><li>P: Inferior lateral border of the scapula </li></ul><ul><li>D: Medial lip of the bicipital groove of the humerus </li></ul><ul><li>1. Medially rotates the arm at the shoulder joint </li></ul><ul><li>2. Adducts the arm at the shoulder joint </li></ul><ul><li>3. Extends the arm at the shoulder joint </li></ul>
  7. 8. Deltoid <ul><li>P: Lateral clavicle, acromion process, and the spine of the scapula </li></ul><ul><li>D: Deltoid tuberosity of the humerus </li></ul><ul><li>1. Abducts the arm at the shoulder joint (entire muscle) </li></ul><ul><li>2. Flexes the arm at the shoulder joint (anterior deltoid) </li></ul><ul><li>3. Extends the arm at the shoulder joint (posterior deltoid) </li></ul><ul><li>4. Medially rotates the arm at the shoulder joint (anterior deltoid) </li></ul><ul><li>5. Laterally rotates the arm at the shoulder joint (posterior deltoid) </li></ul>
  8. 9. Coracobrachialis <ul><li>P: Coracoid process of the scapula </li></ul><ul><li>D: Medial shaft of the humerus </li></ul><ul><li>Flexes the arm at the shoulder joint </li></ul><ul><li>Adducts the arm at the shoulder joint </li></ul>
  9. 10. Biceps Brachii <ul><li>P: Long head: Supraglenoid tubercle of the scapula </li></ul><ul><li>Short head: Coracoid process of the scapula </li></ul><ul><li>D: Radial tuberosity </li></ul><ul><li>Flexes the forearm at the elbow joint (entire muscle) </li></ul><ul><li>Supinates the forearm at the radioulnar joints (entire muscle) </li></ul><ul><li>Flexes the arm at the shoulder joint (entire muscle) </li></ul>
  10. 11. Brachialis <ul><li>P: Distal ½ of the anterior shaft of the humerus </li></ul><ul><li>D: Ulnar tuberosity </li></ul><ul><li>1. Flexes the forearm at the elbow joint </li></ul>
  11. 12. Triceps Brachii <ul><li>P: Long head: Infraglenoid tubercle of the scapula </li></ul><ul><li>Lateral head: Posterior shaft of the humerus </li></ul><ul><li>Medial head: Posterior shaft of the humerus </li></ul><ul><li>D: Olecranon process of the ulna </li></ul><ul><li>1. Extends the forearm at the elbow joint </li></ul>
  12. 14. Pronator Teres Muscle <ul><li>P: Humeral head: Medial epicondyle of the humerus via common flexor tendon </li></ul><ul><li>Unlnar head: Coronoid process of ulna </li></ul><ul><li>D: Laterla radius </li></ul><ul><li>Pronates the forearm at the radioulnar joint </li></ul><ul><li>Flexes the forearm at the elbow joint </li></ul>
  13. 18. Flexor Carpi Radialis <ul><li>P: Medial epicondyle of the humerus </li></ul><ul><li>D: Radial hand on the anterior side </li></ul><ul><li>Flexes the hand at the wrist joint </li></ul><ul><li>Radially deviates (abducts) the hand at the wrist joint </li></ul>
  14. 19. Flexor Carpi Radialis
  15. 22. Palmaris Longus <ul><li>P: Medial epicondyle of the humerus </li></ul><ul><li>D: Palm of hand </li></ul><ul><li>1. Flexes the hand at the wrist joint </li></ul>
  16. 23. Palmaris Longus
  17. 24. Palmaris Longus Inserts to the palm of the hand
  18. 26. Flexor Carpi Ulnaris <ul><li>P: Medial epicondyle of the humerus </li></ul><ul><li>D: Ulnar hand on the anterior side </li></ul><ul><li>Flexes the hand at the wrist joint </li></ul><ul><li>Ulnar deviates (adducts) the hand at the wrist joint </li></ul>
  19. 27. Flexor Carpi Ulnaris: Medial epicondyle of the Humerus via the Common Flexor Tendon and the Ulna
  20. 29. Brachioradialis <ul><li>P: Lateral supracondylar ridge of the humerus </li></ul><ul><li>D: Styloid process of the radius </li></ul><ul><li>1. Flexes the forearm at the elbow joint </li></ul>
  21. 34. Vineyard, Rome, Italy
  22. 35. Flexor Digitorum Superficialis <ul><li>Flexes fingers 2-5 at the metacarpophalangeal and proximal interphalangeal joints </li></ul><ul><li>Flexes the hand at the wrist </li></ul>
  23. 38. Pronator Quadratus <ul><li>P: Anterior distal ulna </li></ul><ul><li>D: Anterior distal radius </li></ul><ul><li>1. Pronates the forearm at the radioulnar joints </li></ul>
  24. 41. Flexor digitorum profundus <ul><li>Flexes fingers 2-5 at the metacarpophalangeal and proximal and distal interphalangeal joints </li></ul><ul><li>Flexes the hand at the wrist </li></ul>
  25. 47. Sicily, Italy
  26. 48. Extensor Carpi Radialis Longus <ul><li>P: Lateral supracondylar ridge of the humerus </li></ul><ul><li>D: Radial hand on the posterior side </li></ul><ul><li>Extends the hand at the wrist joint </li></ul><ul><li>Radially deviates (abducts) the hand at the wrist joint </li></ul>
  27. 51. Extensor Digitorum <ul><li>Extends fingers 2-5 at the metacarpophalangeal and proximal and distal interphalangeal joints </li></ul><ul><li>Extends the hand at the wrist joint </li></ul>
  28. 52. Extensor Carpi Radialis Brevis <ul><li>P: Lateral epicondyle of the humerus </li></ul><ul><li>D: Radial hand on the posterior side </li></ul><ul><li>Extends the hand at the wrist joint </li></ul><ul><li>Radially deviates (abducts) the hand at the wrist joint </li></ul>
  29. 57. Extensor Digiti Minimi <ul><li>Extends the Little Finger at the Metacarpophalangeal and Proximal and Distal Interphalangeal Joints </li></ul><ul><li>Extends the hand at the wrist joint </li></ul>
  30. 59. Extensor Carpi Ulnaris <ul><li>P: Lateral epicondyle of the humerus and the ulna </li></ul><ul><li>D: Ulnar hand on the posterior side </li></ul><ul><li>Extends the hand at the wrist joint </li></ul><ul><li>Ulnar deviates (adducts) the hand at the wrist joint </li></ul>
  31. 65. Supinator <ul><li>P: Lateral epicondyle of the </li></ul><ul><li>humerus and proximal ulna </li></ul><ul><li>D: Proximal radius </li></ul><ul><li>1. Supinates the forearm at the radioulnar joints </li></ul>
  32. 68. The Thenar Group: <ul><li>Abductor Pollicis Brevis </li></ul><ul><li>Flexor Pollicis Brevis </li></ul><ul><li>Opponens Pollicis </li></ul>
  33. 69. Thenar Muscle Group
  34. 70. The Hypothenar Group <ul><li>Abductor Digiti Minimi Manus </li></ul><ul><li>Flexor Digiti Minimi Manus </li></ul><ul><li>Opponens Digiti Minimi </li></ul>
  35. 71. Hypothenar Muscle Group
  36. 72. The Central Compartment Group <ul><li>Adductor Pollicis </li></ul><ul><li>Lumbricals Manus </li></ul><ul><li>Palmar Interossei </li></ul><ul><li>Dorsal Interossei Manus </li></ul>
  37. 73. A Superficial Fascial Muscle <ul><li>Palmaris Brevis </li></ul>
  38. 74. Venice, Italy
  39. 83. <ul><li>Have the client seated </li></ul><ul><li>Partially flex forearm and have the forearm half way between pronation and supination. </li></ul><ul><li>Place palpating hand on the proximal anterior medial forearm </li></ul><ul><li>Have the client further flex or pronate the forearm and feel for contraction of the pronator teres </li></ul><ul><li>The proximal attachment is the medial epicondyle of the humerus and the distal attachment is the lateral radius underneath the brachioradialis </li></ul>
  40. 84. <ul><li>Client seated </li></ul><ul><li>Place palpating hand across anterior wrist </li></ul><ul><li>Have client actively flex and radially deviate the hand at the wrist joint and feel for the distal tendon on the radial side just lateral to the palmaris longus </li></ul><ul><li>Palpate proximally toward the medial epicondyle </li></ul><ul><li>It is difficult to palpate the proximal tendon because it blends with the common flexor tendon of the elbow </li></ul>
  41. 85. <ul><li>Have client seated </li></ul><ul><li>Place palpating hand on anterior wrist </li></ul><ul><li>Ask the client to cup the hand (bring thenar and hypothenar eminence together) </li></ul><ul><li>Ask client to flex the hand at the wrist joint against resistance with the fingers fully extended; feel for the distal tendon of the palmaris longus in the center of the wrist. </li></ul><ul><li>Palpate proximally to the common flexor tendon of the elbow </li></ul>
  42. 86. <ul><li>Have client seated </li></ul><ul><li>Place palpating hand across anterior wrist </li></ul><ul><li>Have client actively flex and ulnar deviate the hand at the wrist joint and feel for the distal tendon on the medial side of the anterior wrist. </li></ul><ul><li>Palpate proximally toward the medial epicondyle and the common flexor tendon of the elbow. </li></ul>
  43. 87. <ul><li>Have client seated with forearm flexed at the elbow 90 degrees, and in a position halfway between pronation and supination. </li></ul><ul><li>Place palpating hand on lateral forearm. </li></ul><ul><li>Resist client from further flexing the forearm and feel for contraction of the brachioradialis. </li></ul><ul><li>Palpate distally to the styloid process of the radius and proximally to the lateral supracondylar ridge of the humerus. </li></ul>
  44. 88. <ul><li>Have client seated (This is a difficult muscle to palpate). </li></ul><ul><li>Place palpating hand distally on the lateral anterior forearm. </li></ul><ul><li>Find the radial pulse and then palpate on either side of it to locate the pronator quadratus. </li></ul><ul><li>Resist the client from actively pronating the forearm at the radioulnar joints and feel for contraction of the muscle. </li></ul>
  45. 89. <ul><li>Have client seated </li></ul><ul><li>Place palpating hand posterior to brachioradialis </li></ul><ul><li>Ask client to make a fist in a slightly extended position and feel for contraction of the muscle. </li></ul><ul><li>Continue palpating proximally toward the lateral supracondylar ridge of the humerus. </li></ul><ul><li>Continue palpating distally to the 2 nd metacarpal </li></ul>
  46. 90. <ul><li>Client seated </li></ul><ul><li>Pinch the radial group of forearm muscles with your thumb on one side and your fingers on the other and slightly pull them away from forearm. </li></ul><ul><li>The fingers on the posterior aspect of the radial group are on the extensor carpi radialis brevis </li></ul><ul><li>Have client actively extend and/or radially deviate the hand at the wrist to feel for contraction of the muscle. </li></ul><ul><li>The distal tendon can be palpated by having the client make a fist with the wrist slightly extended. Attaches to 3 rd metacarpal. </li></ul>
  47. 91. <ul><li>Have client seated </li></ul><ul><li>Place palpating hand directly posterior to the shaft of the ulna and feel for the belly of the extensor carpi ulnaris. </li></ul><ul><li>Continue palpating proximally toward the lateral epicondyle of the humerus and distally toward the 5 th metacarpal. </li></ul><ul><li>Have the client extend and ulnar deviate the wrist to further bring out this muscle. </li></ul>
  48. 92. <ul><li>Have the client seated with the forearm passively flexed, pronated, and resting on the lap </li></ul><ul><li>Pinch the radial group of the forearm muscles with your thumb on one side and your fingers on the other side. </li></ul><ul><li>Palpate deeper against the radius between the radial group of the forearm and the extensor digitorum to locate the radial attachment of the supinator </li></ul><ul><li>Have client slowly supinate the forearm and feel for contraction of the supinator </li></ul><ul><li>Palpate proximally toward the lateral epicondyle and ulnar attachment. </li></ul>

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