Knee Muscle OIAN for Kinesiology I
Terms
undefined, object
copy deck
-
O: Anterior inferior iliac spine
I: Tibial tuberosity
A: Hip flexion, knee extension
N: Femoral nerve (L2-4) - OIAN of Rectus Femoris
- O: Anterior inferior iliac spine
- Origin of Rectus Femoris
- I: Tibial tuberosity
- Insertion of Rectus Femoris, Vastus Medialis, Vastus Intermedius, and Vastus Lateralis
- A: Hip flexion, knee extension
- Action(s) of Rectus Femoris
- N: Femoral nerve (L2-4)
- Innervation of Rectus Femoris, Vastus Medialis, Vastus Intermedius, and Vastus Laterlis (ALL QUADRICEPS)
-
O: Medial lip of linea aspera
I: Tibial tuberosity
A: Knee extension
N: Femoral nerve (L2-4) - OIAN of Vastus Medialis
- O: Medial lip of linea aspera
- Origin of Vastus Medialis
- A: Knee extension
- Action(s) of Vastus Medialis, Vastus Intermrdius, and Vastus Lateralis
-
O: Proximal 2/3 of anterior femur
I: Tibial tuberosity
A: Knee extension
N: Femoral nerve (L2-4) - OIAN of Vastus Intermedius
- O: Proximal 2/3 of anterior femur
- Origin of Vastus Intermedius
-
O: Lateral femur distal to greater trochanter and proximal 1/2 of linea aspera
I: Tibial tuberosity
A: Knee extension
N: Femoral nerve (L2-4) - OIAN of Vastus Lateralis
- O: Lateral femur distal to greater trochanter and proximal 1/2 of linea aspera
- Origin of Vastus Lateralis
-
O: Ischial tuberosity
I: Proximal anteromedial tibia
A: Hip extension, knee flexion
N: Tibial division of sciatic nerve (L5-S2) - OIAN of Semitendinosus
- O: Ischial tuberosity
- Origin of Semitendinosus and Semimembranosus
- I: Proximal anteromedial tibia
- Insertion of Semitendinosus
- N: Tibial division of sciatic nerve (L5-S2)
- Innervation of Semitendinosus and Semimembranosus
-
O: Ischial tuberosity
I: Posterior medial tibial condyle
A: Hip extension, knee flexion
N: Tibial division of sciatic nerve (L5-S2) - OIAN of Semimembranosus
- I: Posterior medial tibial condyle
- Insertion of Popliteus
-
O: Long head: Ischial tuberosity; Short head: Lateral lip of linea aspera
I: Fibular head and lateral tibial condyle
A: Hip extension (long head), knee flexion
N: Long head: Tibial division of sciatic nerve; Short head: Common peroneal div - OIAN of Biceps Femoris
- O: Long head: Ischial tuberosity; Short head: Lateral lip of linea aspera
- Origin of Biceps Femoris
- I: Fibular head and lateral tibial condyle
- Insertion of Biceps Femoris
- A: Hip extension (long head), knee flexion
- Action(s) of Biceps Femoris
- N: Long head: Tibial division of sciatic nerve; Short head: Common peroneal division of sciatic nerve (L5-S2)
- Innervation of Biceps Femoris
-
O: Posterior lateral femoral condyle
I: Posterior medial tibial condyle
A: Unlocks the knee during initial knee flexion
N: Tibial nerve (L4-S1) - OIAN of Popliteus
- O: Posterior lateral femoral condyle
- Origin of Popliteus
- A: Unlocks the knee during initial knee flexion
- Aciton(s) of Popliteus
- N: Tibial nerve (L4-S1)
- Innervation of Popliteus
-
O: Medial head: Posterior medial femoral condyle; Lateral head: Posterior lateral femoral condyle
I: Posterior calcaneus through the Achilles tendon
A: Knee flexion, ankle plantarflexion
N: Tibial nerve (S1-2) - OIAN of Gastrocnemius
- O: Medial head: Posterior medial femoral condyle; Lateral head: Posterior lateral femoral condyle
- Origin of Gastrocnemius
- I: Posterior calcaneus through the Achilles tendon
- Insertion of Gastrocnemius
- A: Knee flexion, ankle plantarflexion
- Action(s) of Gastrocnemius
- N: Tibial nerve (S1-2)
- Innervation of Gastrocnemius
- What structures stabilize the knee?
-
Joint capsule
Medial and lateral meniscus
Iliotibial band/TFL
Quadriceps
Patellar tendon
Pes anserinus
Biceps femoris
Semimembranosus
Gastrocnemius
All knee ligaments