Lower Limb Muscles Flashcards
Vastus intermedius
O: tibial tuberosity
A: -extends knee
I: femoral nerve
Vastus medialis
O: tibial tuberosity
A: -extends knee
I: femoral nerve
Vastus lateralis
O: tibial tuberosity, lateral edge of linea aspera
A: -extends knee
I: femoral nerve
Rectus femoris
O: AIIS, tibial tuberosity
A: -hip flexion
-knee extension
I: femoral nerve
Sartorius
O: ASIS, pes anserinus A: -hip flexion -hip lateral rotation -hip abduction I: femoral nerve
Iliopsoas
O: lesser trochanter A: -hip flexion -hip lateral rotation I: -femoral nerve -L2-L3 spinal nerves
Quadratus Femoris
O: ischial tuberosity
A: -hip lateral rotation
I: nerve to quadratus femoris
Inferior gemellus
O: ischial tuberosity, greater trochanter
A: -hip lateral rotation
I: nerve to quadratus femoris
Superior gemellus
O: greater trochanter
A: -hip lateral rotation
I: nerve to obturator internus
Obturator externus
O: greater trochanter
A: -hip lateral rotation
I: obturator nerve
Obturator internus
O: greater trochanter
A: -hip lateral rotation
I: nerve to obturator internus
Piriformis
O: greater trochanter
A: -hip lateral rotation
I: S1-S2 spinal nerves
Tensor fasciae latae
O: iliotibial tract A: -hip flexion -hip medial rotation -hip abduction I: superior gluteal nerve
Gluteus minimus
O: greater trochanter
A: -hip medial rotation
-hip abduction
I: superior gluteal nerve
Gluteus medius
O: greater trochanter
A: -hip medial rotation
-hip abduction
I: superior gluteal nerve
Gluteus Maximus
O: gluteal tuberosity, iliotibial tract
A: -hip extension
-hip lateral rotation
I: inferior gluteal nerve
Gastrocnemius
O: medial and lateral condlye
A: -flexes knee
-plantarflexes foot
I: tibial nerve
Gracilis
O: pes anserinus A: -adducts hip -flexes hip -medially rotates knee -flexes knee I: obturator nerve
Adductor Magnus
O: adductor tubercle, linea aspera A: -adducts hip -extends hip -flexes hip I: obturator nerve, sciatic nerve
Adductor brevis
O: linea aspera
A: -adducts hip
-flexes hip
I: obturator nerve
Adductor Longus
O: linea aspera
A: -adducts hip
-flexes hip
I: obturator nerve
Pectineus
O: pubis
A: -flexes hip
-adducts hip
I: femoral nerve
Semitendinisus
O: pes anserinus
A: -flexes knee
-extends hip
I: sciatic nerve
Semimembranosus
O: ischial tuberosity
A: -extends hip
-flexes knee
I: sciatic nerve
Biceps femoris
O: ischial tuberosity, linea aspera
A: -extends knee
-flexes knee
I: sciatic nerve
Soleus
O: head of fibula
A: -plantar flexes foot
I: tibial nerve
What muscles attach to the tibial tuberosity?
- rectus femoris
- vastus medialis
- vastus laterialis
- vastus intermedius
Muscles attached to pes anserinus?
- sartorius
- gracilis
- semitendonosus
“Say grace b4 T”