Lower Extremities (Muscles)

Question 1

Iliacus

Answer 1

Origin: Iliac Fossa
Action: Hip Flexion

Question 2

Psoas

Answer 2

Origin: Anterior/Lateral Surface of T12-T5
Action: Trunk Flexion

Question 3

Gluteus Maximus

Answer 3

Origin: Ilium and Sacrum
Insertion: IT Band and Femur
Action: Hyper Extension

Question 4

What is the Origin of the Piriformis?

Answer 4

Origin: Sacrum

Question 5

What is the Origin of the Obturator Internus?

Answer 5

Origin: Pubis

Question 6

What is the Origin of the Gemellus Superior?

Answer 6

Origin: Ischial Spine

Question 7

What is the Insertion of the Quadratus Fermoris?

Answer 7

Insertion: Femur

Question 8

Tensor Fascia Latae (TFL)

Answer 8

Origin: Anterior Superior Iliac Spine
Insertion: Lateral Tibia Condyle

Question 9

Sartorius

Answer 9

Origin: Anterior Superior Iliac Spine
Insertion: Tibia

Question 10

Rectus Femoris

Answer 10

Origin: Anterior Superior Iliac Spine
Insertion: Tibial Tuberosity via Patellar Tendon
Action: Hip Flexion and Knee Extension

Question 11

Vastus Medialis

Answer 11

Insertion: Tibial Tuberosity via Patellar Tendon
Action: Knee Extension

Question 12

Vastus Lateralis

Answer 12

Insertion: Tibial Tuberosity via Patellar Tendon
Action: Knee Extension

Question 13

Vastus Intermedius

Answer 13

Insertion: Tibial Tuberosity via Patellar Tendon
Action: Knee Extension

Question 14

Semitendionosus

Answer 14

Insertion: Medial Surface of Proximal Tibia
Action: Hip Extension and Knee Flexion

Question 15

Semimembranosus

Answer 15

Insertion: Medial Condyle of Tibia
Action: Hip Extension and Knee Flexion

Question 16

Biceps Femoris

Answer 16

Origin: Ischial Tuberosity and Femur
Insertion: Fibular Head and Medial Condyle of Tibia
Action: Hip Extension and Knee Flexion

Question 17

Where Does the Adductor Longus Insert?

Answer 17

Femoral Shaft

Question 18

Where Does the Adductor Brevis Insert?

Answer 18

Femoral Shaft

Question 19

Where Does the Adductor Magnus Insert?

Answer 19

Femoral Shaft

Question 20

Where Does the Gracilis Insert?

Answer 20

Tibia

Question 21

Pectineus

Answer 21

Insertion: Femoral Shaft
Action: Hip Flexion and Adduction

Question 22

Gastrocnemius

Answer 22

Origin: Medial and Lateral Femoral Condyles
Insertion: Posterior Calcaneous via Achilles Tendon Action: Knee Flexion and Plantarflexion

Question 23

Soleus

Answer 23

Insertion: Posterior Calcaneous via Achilles Tendon
Action: Ankle Plantarflexion

Question 24

Tibialis Posterior (Tom)

Answer 24

Origin: Interosseous Membrane, Tibia and Fibula
Insertion: Navicular and Tarsals/Metatarsals
Action: Ankle Inversion and Plantarflexion

Question 25

Flexor Hallucis Longus (Harry)

Answer 25

Origin: Posterior Fibula Insertion: Distal Phalanx of Great Toe Action: Great Toe Flexion, Ankle Inversion and Plantarflexion

Question 26

Flexor Digitorium Longus (Dick)

Answer 26

Origin: Posterior Tibia Insertion: Distal Phalanx of Lesser Toes Action: Lesser Toe Flexion, Ankle Inversion and Plantarflexion

Question 27

Tibialis Anterior

Answer 27

Origin: Lateral Tibia Insertion: 1st Cuneiform and 1st Metatarsal Action: Ankle Inversion and Dorsiflexion

Question 28

Extensor Hallucis Longus

Answer 28

Insertion: Distal Phalanx of Great Toe Action: Extends Great Toe, Ankle Inversion and Dorsiflexion

Question 29

Extensor Digitorium Longus

Answer 29

Insertion: Distal Phalanx of Lesser Toes Action: Lesser Toe Extensor and Ankle Dorsiflexion

Question 30

Peroneus Longus

Answer 30

Insertion: Plantar Surface of 1st Cuneiform and 1st Metatarsal Action: Ankle Eversion and Plantarflexion

Question 31

Peroneus Brevis

Answer 31

Insertion: Base of 5th Metatarsal Action: Ankle Eversion and Plantarflexion

Question 32

Lesser Trochanter Insertion Muscles | Flexors

Answer 32

Iliacus | Psoas

Question 33

Ilium Origin Muscles | Gluteal Region

Answer 33

Gluteus Medius | Gluteus Minimus

Question 34

Greater Trochanter Insertion Muscles | Gluteal Region

Answer 34

Gluteus Medius Gluteus Minimus Piriformis Obturator Internus

Question 35

Hip Abduction Muscles | Gluteal Region

Answer 35

Gluteus Medius | Gluteus Minimus

Question 36

Hip External Rotation Muscles | Deep Gluteals

Answer 36

``` Piriformis Obturator Internus Gemellus Superior Gemellus Inferior Quadratus Femoris ```

Question 37

Ischial Tuberosity Origin Muscles | Deep Rotators

Answer 37

Gemellus Inferior | Quadratus Femoris

Question 38

Quadratus Femoris Insertion Muscles | Deep Gluteals

Answer 38

Gemellus Superior | Gemellus Inferior

Question 39

Ischal Tuberosity Origin Muscles

Answer 39

Gemellus Inferior Quadratus Femoris Semitendinosus Semimembranosus

Question 40

Femur Origin Muscles

Answer 40

Vastus Medialis Vastus Lateralis Vastus Intermedialis

Question 41

Pubis Origin Muscles

Answer 41

``` Adductor Longus Adductor Brevis Adductor Magnus Gracilis Pectineus ```

Question 42

Hip Adduction Muscles

Answer 42

Adductor Longus Adductor Brevis Adductor Magnus Gracilis

Question 43

Hip Flexion and Abduction

Answer 43

Tensor Fascia Latae | Sartorius

Question 44

Fibula Origin Muscles | Anterior & Posterior Lower Leg

Answer 44

``` Flexor Hallucis Longus Flexor Digitorium Longus Extensor Hallucis Longus Peroneum Longus Peroneum Brevis ```

Question 45

Tibia and Fibula Origin Muscles | Anterior& Posterior Lower Leg

Answer 45

Extensor Digitorium Longus | Soleus