The 5 Superficial Forearm Flexors: Origins, Insertions and Actions
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The 5 Superficial Forearm Flexors: Origins, Insertions and Actions
- 1. The Forearm Superficial Flexor Compartment
- 2. Superficial Forearm Flexors The forearm is the region of the upper limb between the elbow joint proximally and wrist joint distally
- 3. Superficial Forearm Flexors The forearm is the region of the upper limb between the elbow joint proximally and wrist joint distally Elbow Joint
- 4. Superficial Forearm Flexors The forearm is the region of the upper limb between the elbow joint proximally and wrist joint distally Elbow JointWrist Joint
- 5. Superficial Forearm Flexors The forearm is the region of the upper limb between the elbow joint proximally and wrist joint distally Elbow JointWrist Joint Forearm
- 6. Superficial Forearm Flexors There are two long bones in the forearm
- 7. Superficial Forearm Flexors There are two long bones in the forearm Radius lies Laterally
- 8. Superficial Forearm Flexors There are two long bones in the forearm Radius Ulna lies Medially
- 9. Superficial Forearm Flexors Cross section through upper third of forearm
- 10. Superficial Forearm Flexors Anterior or Volar Surface
- 11. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface
- 12. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral
- 13. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 14. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Subcutaneous Fat
- 15. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 16. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna
- 17. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna
- 18. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna Radius
- 19. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna Radius
- 20. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna Radius Extensor Compartment
- 21. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna Radius Extensor Compartment Mobile Wad
- 22. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna Radius Extensor Compartment Deep Flexor Mobile Wad
- 23. Superficial Forearm Flexors Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulna Radius Extensor Compartment Deep Flexor Superficial Flexors Mobile Wad
- 24. Superficial Forearm Flexors There are 5 Superficial Forearm Flexors
- 25. Superficial Forearm Flexors An easy way to remember the muscles is to place your hand over the anterior aspect of the opposite elbow joint also known as the cubital fossa
- 29. Superficial Forearm Flexors Thumb = Pronator Teres
- 30. Superficial Forearm Flexors Pronates (Internally Rotates) and Flexes Forearm at the Elbow Joint Thumb = Pronator Teres
- 31. Superficial Forearm Flexors Ulna Radius Extensor Compartment Mobile Wad Deep Flexor Pronator Teres Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 32. Superficial Forearm Flexors Index = Flexor Carpi Radialis
- 33. Flexes and Abducts Hand at Wrist Joint Superficial Forearm Flexors Index = Flexor Carpi Radialis
- 34. Superficial Forearm Flexors Ulna Radius Mobile Wad Deep Flexor Flexor Carpi Radialis Pronator Teres Extensor Compartment Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 35. Superficial Forearm Flexors Middle = Palmaris Longus
- 36. Flexes Hand at Wrist Tightens Palmar Aponeurosis Absent in 1 in 15 people Superficial Forearm Flexors Middle = Palmaris Longus
- 37. Superficial Forearm Flexors Ulna Radius Extensor Compartment Mobile Wad Deep Flexor Flexor Carpi Radialis Palmaris Longus Pronator Teres Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 38. Superficial Forearm Flexors Ring = Flexor Digitorum Superficialis
- 39. Superficial Forearm Flexors Ring = Flexor Digitorum Superficialis Flexes fingers at Proximal Interphalangeal Joints (PIPJ) and Metacarpophalangeal Joints (MCPJ)
- 40. Superficial Forearm Flexors Ulna Radius Extensor Compartment Mobile Wad Deep Flexor Pronator Teres Flexor Carpi Radialis Palmaris Longus Flexor Digitorum Superficialis Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 41. Superficial Forearm Flexors Little = Flexor Carpi Ulnaris
- 42. Superficial Forearm Flexors Flexes and Adducts Hand at Wrist Joint Little = Flexor Carpi Ulnaris
- 43. Superficial Forearm Flexors Ulna Radius Extensor Compartment Mobile Wad Deep Flexor Flexor Carpi Radialis Palmaris Longus Pronator Teres Flexor Digitorum Superficialis Flexor Carpi Ulnaris Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 44. Superficial Forearm Flexors Ulna Radius Extensor Compartment Mobile Wad Deep Flexor Flexor Carpi Radialis Palmaris Longus Pronator Teres Flexor Digitorum Superficialis Flexor Carpi Ulnaris Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial
- 45. Superficial Forearm Flexors 1. Pronator Teres
- 46. Superficial Forearm Flexors 1. Pronator Teres 2. Flexor Carpi Radialis
- 47. Superficial Forearm Flexors 1. Pronator Teres 2. Flexor Carpi Radialis 3. Palmaris Longus
- 48. Superficial Forearm Flexors 1. Pronator Teres 2. Flexor Carpi Radialis 3. Palmaris Longus 4. Flexor Digitorum Superficialis
- 49. Superficial Forearm Flexors 1. Pronator Teres 2. Flexor Carpi Radialis 3. Palmaris Longus 4. Flexor Digitorum Superficialis 5. Flexor Carpi Ulnaris
- 50. Nerves
- 51. Superficial Forearm Flexors Median Nerve supplies all the Superficial Muscles of the Forearm… with one exception
- 52. Superficial Forearm Flexors Median Nerve supplies all the Superficial Muscles of the Forearm… with one exception
- 53. Superficial Forearm Flexors Flexor Carpi Ulnaris is supplied by the Ulnar Nerve
- 54. Superficial Forearm Flexors Flexor Carpi Ulnaris is supplied by the Ulnar Nerve
- 55. Superficial Forearm Flexors Ulna Radius Extensor Compartment Mobile Wad Deep Flexor Flexor Carpi Radialis Palmaris Longus Pronator Teres Flexor Digitorum Superficialis Flexor Carpi Ulnaris Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Median Nerve
- 56. Superficial Forearm Flexors Ulna Radius Extensor Compartment Mobile Wad Deep Flexor Flexor Carpi Radialis Palmaris Longus Pronator Teres Flexor Digitorum Superficialis Anterior or Volar Surface Posterior or Dorsal Surface Lateral Medial Ulnar Nerve Flexor Carpi Ulnaris Median Nerve
- 58. Anterior Forearm Pronator Teres Origin Humeral head from medial epicondyle and supracondylar ridge of humerus. Ulnar head from medial border of coronoid process of ulna Insertion Middle of lateral surface of radius Action Pronates and flexes forearm (at elbow) Nerve Supply Median nerve (C6 and C7) Blood Supply Ulnar artery, anterior recurrent ulnar artery
- 59. Anterior Forearm Flexor Carpi Radialis Origin Common flexor origin medial epicondyle of humerus Insertion Base of 2nd and 3rd metacarpal with a slip to the scaphoid Action Flexes and abducts hand (at wrist) Nerve Supply Median nerve (C6 and C7) Blood Supply Ulnar artery
- 60. Anterior Forearm Palmaris Longus Origin Common flexor origin, medial epicondyle of humerus Insertion Distal half of flexor retinaculum and palmar aponeurosis Action Flexes hand (at wrist) and tightens palmar aponeurosis Nerve Supply Median nerve (C7 and C8) Blood Supply Ulnar artery
- 61. Anterior Forearm Flexor Digitorum Superficialis Origin Humeral head: common flexor origin, medial epicondyle of humerus Ulnar head: ulnar collateral ligament, and coronoid process of ulna Radial head: superior half of anterior border of radius, anterior oblique line Insertion Bodies of middle phalanges digits 2 –5 Action Flexes middle phalanges at proximal interphalangeal joints of medial four digits; acting more strongly, it also flexes proximal phalanges at metacarpophalangeal joints and flexes hand at wrist joint Nerve Supply Median nerve (C7, C8 and T1) Blood Supply Ulnar artery
- 62. Anterior Forearm Flexor Carpi Ulnaris Origin Humeral head: common flexor origin, medial epicondyle of humerus Ulnar head: olecranon and upper 2/3rds posterior border of ulna Insertion Pisiform, hook of hamate, and 5th metacarpal base Action Flexes and adducts hand (at wrist) Nerve Supply Ulnar nerve (C7 and C8) Blood Supply Ulnar artery