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Muscles of the pelvic limb that you should know
m. biceps femoris
m. biceps femoris
- Movement of hip and stifle
- O: Sacrum, sacroschiatic ligament, and ischial tuber
- I: Patellar ligament, patella, and calcaneal tuber
m. quadriceps femoris
m. quadriceps femoris
- Extension of stifle
- Most powerful muscle responsible for pulling on the patella.
- Has 4 heads
– O: Proximal femur and body of ilium
– I: Patella
Image credit: biosphera 3D Bovine Anatomy v2.03b
• m. gluteus medius
• m. gluteus medius
- Extension of hip
- O: Wing of ilium, tuber coxae, sacrum, and sacroschiatic ligament
- I: Greater trochanter of femur
m. tensor fasciae latae
m. tensor fasciae latae
- Flexion of hip, extension of stifle
- Tough connective tissue.
– O: tuber coxae
– I: fascia lata
Image credit: biosphera 3D Bovine Anatomy v2.03b
m. semitendinosus
m. semitendinosus
- Contraction causes the hip, stifle, and hock to extend.
- O: Sacrum, caudal vertebrae, sacroschiatic ligament, and ischial tuber
- I: Cranial tibia, calcaneal tuber
Image credit: BIOAP1100_Lectures.16and17_Muscles_2023_Draft.pdf
m. adductor
m. adductor
- Adduction of limb
- Located deep to m. gracilis
– O: Ventral pelvis
– I: Medial femur
m. semimembranosus
m. semimembranosus
- Contraction causes the hip, stifle, and hock to extend.
– O: Caudal vertebrae, sacrosciatic ligament, ischial tuber
– I: Medial distal femur, medial proximal tibia
– I: fascia lata
Image credit: BIOAP1100_Lectures.16and17_Muscles_2023_Draft.pdf
m. iliopsoas (psoas major, psoas minor, iliacus)
m. iliopsoas (psoas major, psoas minor, iliacus)
- Flexion of hip
- O: Ventral aspects of lumbar vertebrae, ilium, and sacrum
- I: Lesser trochanter of femur
- The tenderloin cut of steak
m. gracilis
m. gracilis
- Adduction of hindlimb
- Origin: Pelvic symphysis
- Insertion: Medial aspect of proximal tibia
m. gastrocnemius
m. gastrocnemius
- Extension of hock
- O: Caudal aspect of femoral condyles
- I: Tuber calcanei
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