LE Muscles & Innervations Flashcards
1
Q
Lumbosacral Trunk (L1-2)
A
- Psoas
2
Q
Femoral Nerve (L2-4)
A
- Rectus Femoris
- Vastus lateralis
- Vastus Medialis
- Vastus Intermedius
- Sartorius
- Pectineus
- (hip flexors)
3
Q
Obturator Nerve (L2-4)
A
- Hip Adductors
- Gracilis
4
Q
Common Peroneal Nerve (L4-S1)
A
- Short head of biceps femoris
- Sensation of lateral legs and top of foot
5
Q
Deep Peroneal Nerve (L4-S1)
A
- Tibialis Anterior
- Extensor Hallucis Longus
- Extensor Digitorum Longus
- Peroneus Tertius
- (DFs and toe extensors)
6
Q
Superficial Peroneal Nerve (L5-S1)
A
- Lateral leg compartment
- Evertors — fibularis/peroneus brevis and longus
7
Q
Sciatic Nerve (L4-S3)
A
- Hamstrings (semimembranosus, semitendinosus, and biceps femoris)
8
Q
Tibial Nerve (L5-S2)
A
- Gastroc
- Soleus
- Tibialis posterior
- Flexor digitorum longus
- Flexor hallucis longus
- Plantaris
- (calf muscles/PFs and intrinsic muscles of the sole of the foot)
9
Q
Sural Nerve (S1-2)
A
- Sensation to lower lateral leg, lateral ankle, and dorsum/bottom of foot
10
Q
Gracilis
A
- Hip adduction
- Knee flexion
- Knee IR
11
Q
Iliopsoas
A
- Psoas — lumbar lateral flexion, hip flexion, and hip ER
- Iliacus — hip flexion and hip ER
- Iliopsoas — hip ER and prime hip flexor
12
Q
Rectus Femoris
A
- Hip flexion
- Knee extension
- (quads)
13
Q
Sartorius
A
- Hip flexion
- Hip abduction
- Hip ER
14
Q
Pectineus
A
- Hip adduction
- Hip flexion
15
Q
Vastus Medialis/Lateralis/Intermedialis
A
- Knee extension
- (quads)
16
Q
Biceps Femoris
A
- Knee flexion
- Hip extension
- Hip ER
- (hamstrings)
17
Q
Peroneus/Fibularis Longus and Brevis
A
- Foot eversion
- PF
18
Q
Tibialis Anterior
A
- DF
- Foot inversion
- Foot adduction
19
Q
Tibialis Posterior
A
- PF
- Foot inversion
20
Q
Extensor Hallucis Longus
A
- Big toe extension
- Foot inversion
- DF
21
Q
Extensor Digitorum Longus
A
- Extension of lateral four toes
- DF
22
Q
Peroneus Tertius
A
- DF
- Foot eversion
23
Q
Semimembranosus & Semitendinosus
A
- Hip extension
- Knee flexion
- Prevents valgus/ER
- (hamstrings)
24
Q
Gastroc
A
- PF
- Knee flexion
25
Q
Soleus
A
- PF
26
Q
Glut Max
A
- Hip extension
- Hip abduction
- Hip ER
27
Q
Glut Med
A
- Prime hip abductor
28
Q
Glut Min
A
- Hip abduction
- Stabilization
