Anatomy midterm 2

Question 1

Suboccipital Triangle

Answer 1

Superomedial: Rectus Capitis Posterior Major
Superolateral: Obliquus Capitis Superior
Inferior: Obliquus Capitis Inferior
Floor: Posterior atlanto-occipital membrane and posterior arch of C!
Roof: Semispinalis Capitits

Question 2

Suboccipital Triangle Innervation

Answer 2

Suboccipital nerve

Question 3

Lower Limb major regions:

Answer 3

1. Gluteal Region - between trunk and free lower limbs
2. Femoral Region - thigh region, connects hip and knee joints
3. Knee Region - distal femur, proximal tibia and fibula, and patella
4. Leg Region - connects knee and ankle joint
5. Ankle or Talocrural Region
6. Foot Region

Question 4

Popliteal Fossa

Answer 4

Fat-filled hollow posterior to knee

Question 5

Femur

Answer 5

• Largest & Heaviest bone in body

- Linea Aspera: double edge ridge on posterior part

Question 6

Patella

Answer 6

• large sesamoid bone

- formed after birth

Question 7

Tibia

Answer 7

• large
• weightbearing
• articulates with: femoreal condyle, talus

Question 8

Fibula connected with Tibia by:

Answer 8

interosseous memebrane

Question 9

Bones of foot

Answer 9

• Tarsus
• Metatarsus
• Phalanges

Question 10

How many Phalanges are there?

Answer 10

14 phalanges

- 2 in big toe, 3 in the rest

Question 11

Gracilis

Answer 11

• Acts on 2 joints (knee joint and femoral acetabular joint)
• Long strap-like muscle
• anterior branch of obturator nerve
• flexes and adducts hip

Question 12

Soleus

Answer 12

• shaped like a fish

- innervated by tibial nerve, and acts as plantarflexor

Question 13

Genu Varum

Answer 13

like a cowboy, legs spread

Question 14

Genu Valgus

Answer 14

knees touch

Question 15

Greater Trochanter Muscles

Answer 15

• Vastus Lateralis
• Obturator Internus
• Gemelli
• Piriformis
• Gluteus Minimus
• Gluteus Medius

Question 16

Navicular

Answer 16

• a tarsal bone found in foot

- looks like boat or cashew

Question 17

Femoral Triangle

Answer 17

• Superiorly: Inguinal Ligament
• Medially: Adductor Longus
• Laterally: Sartorius
• Floor: iliopsoas; laterally, & pectinius; medially

Question 18

Suprapatellular Bursae

Answer 18

• between femur and tendon of quadriceps femoris

- communicates freely with synovial cavity of knee joint

Question 19

Popliteus Bursae

Answer 19

• between tendon of popliteus and lateral condyle of tibia

Question 20

Anserine Bursae

Answer 20

• resembles a goose foot
• where tendons attach to tibia
• separates tendons of sartorius, gracilis and semitendinosis

Question 21

Gastrocnemius Bursa

Answer 21

• extension of synovial cavity of knee joint

Question 22

Semimembranosus Bursa

Answer 22

distal attachment of semimebranosus

Question 23

Subcutaneous prepatellar

Answer 23

allows free movement of skin over patella

Question 24

Subcutaneous infrapatellar

Answer 24

helps knee withstand pressure while kneeling

Question 25

Dorsal Interossei

Answer 25

• Lateral plantar nerve

- Abduct digits 2-4

Question 26

Plantar Interossei

Answer 26

• Lateral Plantar nerve

- Adducts digits 3-6

Question 27

Stance Phase Gait Cycle

Answer 27

a) Heel strike
b) loading response (flat foot)
c) midstance
d) terminal stance

Question 28

Swing Phase Gait Cycle

Answer 28

e) Preswing (toes off)
f) initial & midswing
g) terminal swing

Question 29

True of False:

Injury at medial collateral ligament can impact the meniscus

Answer 29

True

Question 30

Obliquus capitis inferior does not directly attach to cranium. True or false

Answer 30

True