Pelvic Limb III

Question 1

Action of gluteal and lateral pelvic mm.?

Answer 1

extend hip and abduct pelvic limb

Question 2

Inner and Medial Pelvic mm. Actions? Muscles? Attachments?

Answer 2

Action: lateral hip rotation

Muscles: internal obturator, gemelli, external obturator, quadratus femoris (distal attachment= intertrochanteric crest)

Attachments: ischium +/- pubis to trochanteric fossa

Question 3

Cranial thigh mm. Actions? Muscles? Attachments?

Answer 3

Actions: flex hip, extend stifle
Muscles: Quadriceps femoris and 4 bellies
Attachments:
RF- ilium to tibial tuberosity
Vastus- proximal femur to tibial tuberosity

Question 3

Muscles of gluteal and lateral pelvic mm.? Attachments?

Answer 3

Superficial gluteal m. - pelvis to 3rd trochanter
Middle gluteal m. - ilium to greater trochanter
Deep gluteal m. - ilium/ischiatic spine to greater trochanter

Question 3

Soleus m. not present in what species? Location, attachments, and action?

Answer 3

Dogs

Location: Caudal crus

Attachments: head of fibula tp tuber calcaneus

Action: extend tarsus

Question 4

Medial thigh mm. Actions? Muscles? Attachments?

Answer 4

Actions: adduct pelvic limb
Muscles: gracillis, adductor, pectineus (pubis/ilium attachments)
Attachments: pubic symphysis

Question 4

Craniolateral Crus mm. actions and muscles?

Answer 4

Cranial tibial, fibularis longus, long digital extensor (extends digits)

Question 4

Caudal thigh mm. muscles, actions, and attachments?

Answer 4

Muscles: biceps femoris (dogs have prox. attachment at sacrotuberous lig.), semitendinosus, semimembranosus

Actions: Hip extension, stifle flexion

Proximal attachments:
All: Ischiatic tuberosity

Distal attachments:
BF: lateral stifle, tibia, tuber calcanei
ST: tibia, tuber calcanei
SM: distal femur, medial condyle femur

Question 4

Popliteus actions and attachments?

Answer 4

Action: medially rotate crus at stifle

Attachments: lateral epicondyle of femur to proximal caudal tibia

Question 4

Causal crus mm. actions and muscles?

Answer 4

Action: Extend tarsus

Muscles: Gastrocnemius, superficial digital flexor and deep digital flexor= flex digits

Question 4

Gluteofemoralis m. not in what species? Attachments and actions?

Answer 4

Dogs

Attachments: Caudal vertebrae to fascia lata

Actions: Lateral tail movement and weak PL abduction