Lower Limb muscle actions Flashcards
Gluteus Maximus
Extends and External rotation of the hip
Gluteus Medius
- ABduction and Medially rotates of the hip joint
- also stabilizes pelvis
Gluteus minimus
- ABduction and Medially rotates of the hip joint
- also stabilizes pelvis
Piriformis
ABduction and lateral rotation of the hip
Gemelli
lateral rotation and ADduction and of the hip
Rectus femoris
FEmoris
- Flexes the hip
- Extension of leg at knee joint
Tensor fasciae latae
Flexion
Medial Rotation
ABduction
all at hip
Obturator internus
Obturator internus (obturAtor inTErnus)→ A for adduction and Two E’s → exstension and external rotation
External rotation
Extension
ADduction
all at hip joint
Quadratus femoris
External rotation and adduction of the hip joint
Pectineus
Hip joint:
- ADuction
- lateral rotation
Adductor brevis and longus
Flexion and Adduction of hip joint
Gracilis
Adduction at hip joint
FLEXION of knee
Adductor Magnus
Adduction and extension of hip joint
Vastus
- medialis
- lateralis
- intermedius
Knee joint extension
Sartorius
Hip Joint:
- Flexion
- ABduction
- External rotation
Knee Joint
-Flexion
Semitendinosus
- Extension of hip
2. Flexion at knee
Biceps femoris: Long head
Flexion of knee
Extension of hip
Fibularis Longus
Plantar flexion
Eversion
Semimembranous
- Extension of hip
2. Flexion at knee
Fibularis Brevis
Plantar flexion
Eversion
Tibialis Anterior
- Dorsiflexion
- Inversion
Extensor Hallucis longus
- Dorsiflexion
- Extends 1st digit
Extensor digitorum longus
Dorsiflexion
Extends digits 2-5
Gastrocnemius
- Plantar flexion
- flexion at KNEE JOINT
- Lifts up heel when walking
Soleus
Plantaris
Plantar flexion
Tibialis Posterior
Plantarflexion
Inversion
Flexor digitorum longus
flexion of digits 2-5
Flexor hallucis longus
Flexion of 1st digit
Popliteus
Medial rotation (to unlock knee)
Extensor digitorum brevis
Extends toes 2nd through 5th
Extensor hallucis brevis
Extends 1st digit at MTP joint
Flexor digitorum brevis
Flexes digits 2-5
Abductor digiti minimi
Abducts 5th digit
Quadratus Plantae
Tension on flexor digitorum longus for flexion of toes
Lumbricals
flexion of MTP Joint
- 1*- Median VAN
- 2-4*- Lateral VAN
Flexor hallucis brevis
flexes the 1st digit
Adduct hallucis
Adducts 1st digit
you have a oblique head
and transverse head