1. Appendicular dermatomes are derived from the _______
  2. Preaxial dermatomes are more _____ in origin than postaxial dermatomes
  3. The skin is supplied by which 2 sympathetic fibers only? Which one does not supply the skin?
    • The skin is supplied by:
    • GSA
    • GVE
    • It is NOT supplied by:
  4. The limbs contain are joint types except____ (2)
    • Gomphoses and Sutures
    • they are from the Ligamentous Category
  5. What type of joints are the inter-phalangeal joints?
    Pure Hinge Joints
  6. The appendicular musculature develops from ____ and thus is innerv. by the____ (1 exception)
    • 1. Hypaxial
    • 2. Ventral Primary Rami of Spinal Nerves (the only exception is the trapezius-XI)
  7. Each limb is subdivided into dorsal(____) and ventral(____) layers
    • Dorsal: Extensors
    • Ventral: Flexors
  8. Extensor layer gives rise to___ muscles.
    • Extensor
    • Abductor
    • Supinator
    • Lateral Rotator muscles
  9. Flexor layer gives rise to ____ muscles.
    • Flexor
    • Adductor
    • Pronator
    • Medial Rotator Muscles
  10. Medial Rotation ivolves a combination of
    Flexor and Adductor muscles
  11. Lateral Rotation involves a combination of
    Extensor and Abductor muscles
  12. What type of joint is the elbow joint?
    Modified Hinge Joint
  13. Pronator muscles are derived from
    Flexor Layer
  14. Supinator Muscles are derived from
    Extensor Layer
  15. All fine movements of the digits (including ABD and EXT)are performed by
    Intrinsic Muscles from the Flexor Layer ONLY!
  16. Shoulder, ELbow, and wrist Joints have at least one ___ muscle that crosses into the flexor field, providing __ insurance.
    • 1. Extensor
    • 2. Flexor
  17. The ___ ___ ___ of at least 5 spinal segments intertwine to form a limb plexus
    Ventral Primary Rami
  18. Each plexus is further divided into Anterior (__) and Posterior (__) divisions.
    • Anterior: flexor
    • Posterior: Extensor
  19. Both flexor and extensor muscular nerves usually cross the major limb joints on their flexor surfaces to AVOID what???
    to avoid being stretched during flexion
  20. The __ arteries cross the major limb joints on their flexor surfaces (to avoid being stretched during flexion)
  21. ___ circulation provides adquate blood flow around joints if the __ arteries are compressed during flexion
    • 1. Collateral
    • 2. Stem
  22. The efficiency of __ circulation diminishes distally
  23. The __ regions recieve blood from a series of perforating arteries from the ___ stem arteries.
    • 1. Extensor
    • 2. Flexor
  24. Deep Veins accompany the
  25. What are the Uniaxial Hinge Joints?? (6)
    • Humero- Ulnar
    • Humero- Radial
    • MCP 1
    • IP 1
    • PIP (2-5)
    • DIP (2-5)
  26. Pivot Uniaxail Joints (2)
    • Proximal and Distal RU
    • Humero-Radial
  27. Biaxial Joints (2)
    • MCP 1 (C)
    • RadioCarpal (E)
  28. MultiAxial Plane Joint
    • AcromioClavicular
    • Intercarpal
    • CM (2-5)
  29. MultiAxial Saddle Joint (2)
    • SC: modified
    • CM 1
  30. MultiAxial Ball and Socket
    • GH
    • MidCarpal
  31. What are the Claviculo-Scapular Muscles?? (6)
    • Trapezius (Upper, Mid, Lower)
    • Levator Scapulae
    • Rhomboids
    • Subclavius
    • Serratus Anterior
    • Pectoralis Minor
  32. Subclavis Muscle??
    • Attaches to the bottom of the clavicle
    • it is a muscular ligament
    • Stabilizer of the clavicle
  33. What are the Actions seen in the Claviculo-Scapular?
    • Elevation
    • Depression
    • Abduction (Protraction)
    • Adduction (Retraction)
    • Upward Rotation
    • Downward Rotation
  34. Trapezius Innervation
    Spinal Accesory
  35. Levator Scapula: Action?? Innervated by??
    • Does Elevation
    • Innervated: C3-4 (Dorsal Scapular)
  36. What are the actions of each part of the Trapz??
    • Upper: Elevation
    • Mid: Retraction
    • Lower: Depression
  37. Rhomboids: Action?? Innervated??
    • Action: It may participate in Elevation. it also does Adduction (retraction), Downward Rotation
    • Innervated: C4-5 (Dorsal Scapular)
  38. Pec Minor: Action?? Innervated?? **Hint: Action: Double D Innerv: Its in the name...
    • Action: Depression and Downward Rotation
    • Innervated: Medial Pectoral
  39. What muscles do ELEVATION in the claviculo-Scapula? (2 w/ a maybe)
    • Trapz (upper portion)
    • levator scapulae
    • Maybe Rhomboids
  40. Subclavius: Action?? Innervated??
    • Action: Depression
    • Innervated: Nerve to Subclavius
  41. Serratus Anterior: Action?? Innervated??
    • Action: ABD (protraction)
    • Innerv: Long Thoracic Nerve
  42. What is the only muscle in the claviculo-scapula that does Protraction??
    Serratus Anterior
  43. What 2 muscles do Adduction in the claviculo-Scapula??
    • Trapz (middle)
    • Rhomboids
  44. What are the muscles that do Depression in the claviculo-scapulae??
    • Trapz (lower)
    • Pec Minor
    • Subclavius
  45. What 2 muscles do Upward Rotation in the claviculo-scapulae?
    • Trapz (whole)
    • Serratus Anterior
  46. What muscles do Downward Rotation??
    • Levator Scapulae
    • Pec Minor
    • Rhomboids
  47. Where is the Long thoracic nerve located on the Serratus Anterior? and Why is it there??
    • it is located on the superficial surface
    • because if it was located deeper into the muscle it would become compressed by the ribs
  48. Damage to the long thoracic nerve causes
    Winging of the scapulae
  49. Where is the Spinal Accessory nerve located??
    it is located in the Posterior traingle of the neck, it is exposed in that area where it also innervated sternocleidomastoid
  50. What is the function of the clavicle??
    To hold shoulders back
  51. Another name for Sternoclavicular is
  52. Pectoralis Major is continous with what muscle??
  53. The teres MAJOR does the same as what muscle?? another name for the teres major is...
    • It does the same as the LATS
    • a.k.a Latissimus Dorsi Minor
  54. Another name for Serratus Anterior
    Respiratory Muscle; lifts the ribs
  55. Another name for Deltoid
    UNIVERSAL muscle
  56. What happens in a Radical Masectomy?
    They only leave the Clavicular head of the Pec Major which allows the lady to do some ADL's (brush hair)
  57. What are the 3 heads of the Deltoid??
    • Acromial Head
    • Spinous Head and Clavicular head: these 2 heads have parallel fibers
  58. What makes up the Rotator Cuff muscles? WHere do they attach to?
    • Supraspinatus
    • Infraspinatus
    • Teres Minor
    • Subscapularis ( attach to lesser tubercle)
    • They attach to Greater Tubercle of humerus
  59. The Rotator Cuffs are mostly__ stabilizers
  60. The supraspinatus is just an ___, it only activates in 15 degrees; gives the initiation. What do pt's do if does not function correctly??
    • Supraspinatus is an ABDUCTOR
    • Pt's do a hip kick
  61. WHen you tear the jt. capsule you tear ___ and not the teres major.
    SITS muscles
Card Set
test 2