Week 5: Muscles of the Pelvic Limb Cont. (Origins, Insertions, Actions) Flashcards
Tendon of the cranial tibial muscle is held down by
The crural extensor retinaculum
Cranial tibial origin
Proximal and lateral aspect of the tibia near the extensor groove
Cranial tibial insertion
Proximal plantar surface of metatarsals I and II
Cranial tibial action (2)
- Flex tarsus
- Rotate paw laterally so plantar surface faces medially
Long digital extensor muscle tendon is held down by
- The crural extensor retinaculum
- The tarsal extensor retinaculum which holds it in place on the dorsal surface of the metatarsus
Long digital extensor origin
Extensor fossa of the femur
Long digital extensor insertion
Extensor processes of distal phalanges of digits 2-5
Long digital extensor action (2)
- Extend digits
- Flex tarsus
Fibularis longus is also referred to as
The peroneus
Fibularis longus origin (2)
- Lateral collateral ligament
- Proximal aspect of tibia and fibula
Fibularis longus insertion (2)
- Tarsal bone IV
- Plantar aspect of proximal ends of metatarsals
Fibularis longus action (2)
- Flex tarsus
- Pronation
Gastrocnemius origin
Medial and lateral supracondylar tuberosities of the femur
Gastrocnemius insertion
Tuber calcanei
Gastrocnemius action (2)
- Extend tarsus
- Flex stifle
Superficial digital flexor tendon forms the main central component of the
Common calcanean tendon
What is located between the between the SDF and gastrocnemius?
The intertendinous bursa
What is located between the skin and the tendon of the SDF?
Subcutaneous calcanean bursa
Superficial digital flexor origin
Lateral supracondylar tuberosity of the femur
Superficial digital flexor insertion (2)
- Tuber calcanei
- Plantar aspect of the base of middle phalanx of digits 2-5
Superficial digital flexor action (3)
- Flex stifle
- Extend tarsus (hock)
- Flex digits
Deep digital flexor heads
- Lateral digital flexor
- Medial digital flexor
The tendon of the lateral head of the deep digital flexor passes over ____ and is held down by _______
- Sustentaculum tali
- Flexor retinaculum
Deep digital flexor origin
Proximal tibia and fibula and adjacent interosseus membrane between the two
Deep digital flexor insertion
Plantar aspect of the base of distal phalanx of digits 1-5
Deep digital flexor action (2)
- Flex digits
- Extend tarsus
Popliteus has what in its tendon of origin?
Popliteal sesamoid bone
Popliteus origin
Lateral condyle of femur
Popliteus insertion
Proximal and caudomedial aspect of the tibia
Popliteus action
Flex stifle
