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Anatomy 2L03 > L 15 to 21 - MSK > Flashcards

L 15 to 21 - MSK Flashcards

1
Q

Spinal muscles

A

Extensors:
- spino-transverse system (erector spinae)
- intrinsic spinal muscles (also R)
Flexion:
- external oblique (also R)
- rectus abdominus
- internal oblique (also R)
- iliopsoas (sit up)
Rotation:
- transverso-spinal system

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2
Q

Vertebral ligaments

A
  • anterior longitudinal
  • posterior longitudinal
  • ligamentum flavum
  • interspinous
  • supraspinous
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3
Q

Scapular muscles

A

Elevation (E), Depression (D), Retraction (R), Protraction (P), Upwards rotation (UR), Downwards rotation (DR)
- trapezius (E, R, D)
- rhomboid major and minor (R, E, DR)
- levator scapulae (E, DR)
- pectoralis minor (D, DR, P)
- serratus anterior (D, P, UR)
hyperabduction: lower trapezius

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4
Q

Shoulder muscles

A
  • deltoid (F, E, AB)
  • pectoralis major (F, AD)
  • teres major (E, AD)
  • latissimus dorsi (E, AD)
  • triceps (E)
  • supraspinatus (AB)
  • trapezius (AB)
  • teres minor (rotation)
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5
Q

Elbow muscles

A
  • biceps brachii (Flexion)
    • biceps tendon (supination)
    • bicipital aponeurosis (flexion)
  • triceps (Extension)
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6
Q

Forearm muscles (wrist movement)

A
  • pronator teres and quadratus (Pronation)
  • supinator and biceps brachii (Supination)
  • extensor carpi radialis (AB, E)
  • *extensor digitorum (fingers)
  • extensor carpi ulnaris (AD, E)
  • flexor carpi radialis (AB, F)
  • palmaris longus (F)
  • *flexor digitorum superficialis and profundus
  • flexor carpi ulnaris (AD, F)
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7
Q

Golfer’s elbow

A

damage to tendons at medial epicondyle of humerus

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8
Q

Tennis elbow

A

damage to tendons at lateral epicondyle of humerus

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9
Q

tunnel syndromes

A

guyons tunnel - ulnar n.
cubital tunnel - ulnar n. - claw hand (can’t extend 4&5)
carpal tunnel - median n. - pain due to flexion

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10
Q

Hand muscles

A

Thumb:
- extensor pollicis longus and brevis
- abductor pollicis (extend)
- flexor pollicis longus and brevis
- opponens pollicis (opposition)
Fingers:
- extensor digitorum
- flexor digitorum superficialis and profundus
- lumbricals (flex)
- dorsal interossei (AB)
- palmar interossei (AD)
- opponens digiti (opposition)

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11
Q

Pelvic muscles

A
  • pelvic floor muscles
  • piriformis muscle (inflammation of this muscle can compress sciatic nerve)
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12
Q

Hip muscles

A
  • iliacus and psoas (iliopsoas) (F)
  • sartorius (F)
  • rectus femoris (F)
  • adductor group (AD) - obturator
  • gracilis (AD)
  • tensor fascia lata (AB) - sup. gluteal
  • gluteus medius and minimus (AB) - sup. gluteal
  • gluteus maximus (AB, E) - inf. gluteal
  • biceps femoris (E)
  • semitendinosus (E)
  • semimembranosus (E)
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13
Q

Shoulder Ligaments

A
  • acromioclavicular
  • coracoacromio
  • coracoclavicular
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14
Q

Elbow ligaments

A

2

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15
Q

Pelvis ligaments

A
  • sacrospinous
  • sacrotuberous
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16
Q

Hip ligaments

A
  • iliofemoral
  • pubofemoral
  • ischiofemoral
  • ligamentum teres
17
Q

Knee ligaments

A
  • anterior cruciate (ACL)
  • posterior cruciate (PCL)
  • lateral collateral (LCL)
  • medial collateral (MCL)
  • patellar
18
Q

foramen of the pelvis

A
  • greater and lesser sciatic foramen
  • obturator foramen
19
Q

‘hole’ at the bottom of the adductor muscles of the thigh

A

adductor hiatus

20
Q

why is the sartorius an odd muscle

A

connects from iliac to tibia, helps with flexion of hip and knee as well as external rotation of hip

21
Q

Hip dislocation

A

Foot drop

22
Q

Purpose of the obturator artery

A

needed until age 20, supplies blood to the head of the femur

23
Q

Avascular necrosis

A

death of cells due to lack of blood

24
Q

Knee muscles

A
  • popliteus (unlocks/locks the knee) - tibial
    hamstrings (F) - tibial
    • biceps femoris
    • semi-membranosus
    • semi-tendinosus
      quadriceps (E) - femoral
    • rectus femoris
    • vastus medialis
    • vastus lateralis
    • vastus intermedius
25
Q

‘hole’ at the back of the knee

A

popliteal fossa

26
Q

muscles of the goose’s foot

A

sartorius, gracilis, semi-tendinosus
- protected by the pes anserine bursa

27
Q

Unlocking the knee

A

popliteus helps, lateral meniscus shifts

Anatomy 2L03 (21 decks)

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