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Structural Kinesiology > The Knee > Flashcards

The Knee Flashcards

1
Q

What bones articulate at the knee?

A

Femur
Patella
Tibia

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2
Q

3 joints at the knee

A

Patellofemoral joint
Tibiofemoral joint (Knee)
Proximal tibiofibular joint

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3
Q

6 connective tissues in the knee

A

ACL
PCL
MCL
LCL
Lateral and medial meniscus

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4
Q

What is the ACL?

A

Anterior cruciate ligament
Limits anterior displacement of the tibia relative to femur and limits excessive rotation

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5
Q

What is the PCL?

A

Posterior cruciate ligament
Limits posterior displacement of tibia in relation to femur

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6
Q

What is the LCL?

A

Lateral collateral ligament which provides lateral stability against verum stress

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7
Q

What is the MCL?

A

Medial collateral ligament which provides medial stability for knee valgum and excessive external rotation

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8
Q

Movements at the knee

A

Flexion
Extension
External rotation
Internal rotation

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9
Q

Muscles compartments of the knees and their roles

A

Anterior - extension
Posterior - flexion

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10
Q

Anterior muscles in the knee

A

Rectus femoris
Vastus lateralis
Vastus intermedius
Vastus medialis

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11
Q

Posterior muscles of the knee

A

Biceps femoris
Semimembranosus
Semitendinosus
Sartorius
Gracilis
- Popliteus
- Gastrocnemius
- Plantaris

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12
Q

Biarticular muscles

A

Articulate at two joints, meaning their origin/insertions cross two joints.

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13
Q

Biarticular muscles at the knee

A

Rectus femoris
Biceps femoris LH
Semitendinosus
Semimembranosus
Sartorius
Gracilis

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14
Q

Biceps femoris origins

A

LH: Ischial tuberosity
SH: Lower linea aspera

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15
Q

Biceps femoris insertion

A

(Laterally) Head of fibula and lateral tibial condyle

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16
Q

Innervation of biceps femoris

A

Sciatic nerve

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17
Q

Biceps femoris palpation

A

Posterolateral aspect of upper leg (w/ Knee flexion and external rotation)

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18
Q

Semimembranosus origin

A

Ischial tuberosity

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19
Q

Semitendinosus origin

A

Ischial tuberosity

20
Q

Semimembranosus insertion

A

Posterior of medial tibial condyle

21
Q

Semitendinosus insertion

A

Anterior of tibia, just below medial condyle.

22
Q

Innervation of semimembranosus

A

Sciatic nerve

23
Q

Innervation of semitendinosus

A

Sciatic nerve

24
Q

Palpation of semi membranosis and semi tendanosis

A

Posterolateral aspect of upper leg with knee flexion and external rotation.

25
Q

Rectus femoris origin

A

Anterior inferior iliac spine

26
Q

Rectus femoris insertion

A

Tibial tuberosity (via patellar tendon) and superior aspect of patella

27
Q

Innervation of rectus femoris

A

Femoral nerve

28
Q

Vastus intermedius origin

A

Upper 2/3 of anterior femur surface

29
Q

Vastus intermedius insertion

A

Tibial tuberosity (via patellar tendon) and superior aspect of patella

30
Q

Innervation of vastus intermedius

A

Femoral nerve

31
Q

Palpation of vastus intermedius

A

Deeper muscle

32
Q

Vastus medialis origin

A

Linea aspera

33
Q

vastus medialis insertion

A

Tibial tuberosity (via patellar tendon) and medial aspect of patella

34
Q

Vastus medialis innervation

A

Femoral nerve

35
Q

vastus medialis palpation

A

Straight down anterior thigh with knee extension

36
Q

Vastus lateralis origin

A

Greater trochanter, linea aspera and gluteal tuberosity

37
Q

Vastus lateralis insertion

A

Tibial tuberosity (via patellar tendon) and lateral aspect of patella

38
Q

Vastus lateralis innervation

A

Femoral nerve

39
Q

Palpation of vastus lateralis

A

Deeper muscle

40
Q

Knee flexors

A

Hamstrings
Popliteus
Gastrocnemius
Sartorius
Gracilis

41
Q

Muscle responsible for external rotation

A

Biceps femoris as inserts laterally

42
Q

Muscles responsible for internal rotation

A

Semimembranosus, semitendinosus, gracilis and sartorius as all insert medially.

43
Q

Flexors of the knee

A

Hamstrings (BF, SM, ST)
Popliteus
Gastrocnemius
Sartorius
Gracilis

44
Q

Extensors of the knee

A

Rectus femoris
Vastus lateralis
Vastus intermedius
Vastus medialis

45
Q

What is the Q angle

A

Angle between the line of quadriceps (ASIS to midpoint of patella) and the line of the patella tendon to tibial tuberosity.

Structural Kinesiology (8 decks)

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