Cat dissection lower limb

Question 1

Answer 1

Sartorius

origin: iliac crest
insertion: tibia
innervation: femoral n.
action: flexes, abducts and laterally rotates the thigh; flexes leg

Question 2

Answer 2

Gracilis

origin: pubic bone
insertion: tibia
innervation: obturator
action: adducts the thigh, flexes and medially rotates the thigh, flexes the leg

Question 3

Answer 3

Adductor femoris (large bottom 2)

Adductor longus (small, darker, above femoris)

Origin: pubis

insert: femur
innervation: obturator

Action: adductors of the thigh

Question 4

Answer 4

semimembranosus

origin: ischial tuberosity
insertion: tibia
innervaion: fibular n.
action: extends the thigh, flexes the leg

Question 5

Answer 5

semitendinosus

origin: ischial tuberosity
insertion: tibia
innervation: fibular n.
action: extends the thigh, flexes the leg

Question 6

1

Answer 6

Biceps femorus (posterior hamstring)

origin: ishial tuberosity
insertion: lateral tibia

sciatic n.

extends the thigh, flexes the leg

Question 7

5

Answer 7

tensor fasciae latae(anterior muscle)

origin: iliac crest
insertion: into fasciae lata
innervation: superior gluteal n.
action: lexes, abducts, and medially rotates the thigh

Question 8

Answer 8

retctus femoris

origin: ilium

vastus medialis (medial to rectus femoris)

vastus lateralis (lateral to rectus femoris)

vastus intermedius (deep to rectus femoris)

origin: femur

common insertion: patella

innervation: femoral n.
acton: extend the leg

Question 9

Answer 9

Gluteus Maximus

origin: transverse process of sacral and caudal vertebrae
insertion: greater trochanter of femur and fascia lata
innervation: superior gluteal n.
action: extends the thigh

Question 10

Answer 10

Gluteus medius

origin: ilium
insertion: greater trochanter of femur

larger and superior to maximus in cats

innervation: inferior gluteal n.
action: abducts the femur; medially rotates the thigh

Question 11

2

Answer 11

Caudofemoralis

posterior to gluteus maximus

Question 12

Answer 12

Gastrocnemius

origin: tibia
insertion: calcaneous
innervation: tibial n.
action: flexes the leg, plantar flexes the foot

Question 13

1

Answer 13

Gastrocnemius

Question 14

2

Answer 14

soleus (deep)

origin: tibia
insertion: calcaneus
innervation: tibial n.
action: plantar flexes the foot

Question 15

7

Answer 15

Tibialis anterior

origin: tibia and fibula
insertion: first metatarsal
innervation: deep fibular
action: dorsiflexes the foot

Question 16

6

Answer 16

extensor digatorum longus

origin: lateral epicondyle of tibia
insertion: phalanges
innervation: deep fibular
action: extends toes simultaneously

under the tibialis anterior next to tibia

Question 17

Answer 17

flexor digitorum longus

origin: behind tibia
insertion: phalanges
innervation: tibial n.
action: flexes toes