Station 11: Muscles Of The Leg Flashcards
ILLIOSOAS
Locate, Origin, Insertion and Actions
Locate: Hip Joint
Two Muscles:
- Illiacus
- Psaos major
Origin: Illium, Lumbar Vertebrae
Insertion: Lesser Throchanter
Actions at Hip:
- Flexion
NOTE: Hard to see on model
SARTORIUS
Locate, Group, Origin, Insertion and Actions
Locate: Hip Joint and Knee Joint
Group: Pes Anserinus
Origin: Anterior Superior Illiac Spine
Insertion: Tibia via the Pes Anserinus
Actions at the Hip:
- Flexion
- Lateral Rotation
Actions at the Knee:
-Flexion
NOTE: This muscle wraps around
RECTUS FEMORIS
Locate, Group, Origin, Insertion and Actions
Locate: Hip Joint and Knee Joint
Group: Quadriceps
Origin: Anterior Inferior Illiac Spine
Insertion: Tibial Tuberosity
Actions at the Hip:
- Flexion
Actions at the Knee:
-Extension
NOTE: This is the only quad that crosses the hip
TENSOR FACSCIA LATAE
Locate, Origin, Insertion and Actions
Locate: Hip Joint
Origin: Illiac Crest
Insertion: Iliotibial Tract
Actions:
- Flexion
- Abduction
GRACILIS
Locate, Group, Origin, Insertion and Actions
Locate: Hip Joint and Knee Joint
Group: Pes Anserinus
Origin: Pubis
Insertion: Tibia via the Pes Anserinus
Actions at the Hip:
- Adduction
Actions at the Knee:
-Flexion
ADDUCTOR LONGUS
Locate, Origin, Insertion and Actions
Locate: Hip Joint
Origin: Pubis
Insertion: Femur - linea aspera
Actions:
- Adduction
ADDUCTOR BREVIS
Locate, Origin, Insertion and Actions
Locate: Hip Joint
Origin: Pubis
Insertion: Femur - linea aspera
Actions:
- Adduction
BECEPTS FEMORIS
Locate, Group, Origin, Insertion and Actions
Locate: Hip Joint and Knee Joint
Group: Hamstring
Origin: Ischial Tuberosity
Insertion: Lateral condyle of the Tibia
Actions at the Hip:
- Extension
Actions at the Knee:
-Flexion
SEMIMEMBRANOSUS
Locate, Group, Origin, Insertion and Actions
Locate: Hip Joint and Knee Joint
Group: Hamstring
Origin: Ischial Tuberosity
Insertion: Medial Condyle of the Tibia
Actions at the Hip:
- Extension
Actions at the Knee:
-Flexion
SEMITENDINOSUS
Locate, Group, Origin, Insertion and Actions
Locate: Hip Joint and Knee Joint
Group: Hamstrings & Pes Anserinus
Origin: Ischial Tuberosity
Insertion: Tibia via the Pes Anserinus
Actions at the Hip:
- Extension
Actions at the Knee:
-Flexion
NOTE: ‘T’ in Tendinosus means its on top of semimembranosus
GLUTEUS MAXIMUS
Locate, Origin, Insertion and Actions
Locate: Hip Joint
Origin: Illium, Sacrum
Insertion: Illiotibial Tract
Actions:
- Extension
- Lateral Rotation
GLUTEUS MEDIUS & MINIMUS
Locate, Origin, Insertion and Actions
Locate: Hip Joint
Origin: Illium
Insertion: Greater Trochanter
Actions:
- Abduction (on side)
- Medial Rotation (on side)
NOTE: Minimus is directly under Medius (cant see it on model)
VASTUS LATERALIS
Locate, Group, Origin, Insertion and Actions
Locate: Knee Joint
Group: Quadriceps
Origin: Femur - greater trochanter
Insertion: Tibial Tuberosity
Actions at the Knee:
-Extension
VASTUS INTERMEDIUS
Locate, Group, Origin, Insertion and Actions
Locate: Knee Joint
Group: Quadriceps
Origin: Femur
Insertion: Tibial Tuberosity
Actions at the Knee:
-Extension
VASTUS MEDIALIS
Locate, Group, Origin, Insertion and Actions
Locate: Knee Joint
Group: Quadriceps
Origin: Femur - linea aspera
Insertion: Tibial Tuberosity
Actions at the Knee:
-Extension
GASTROCNESMIUS
Locate, Origin, Insertion and Actions
Locate: Knee Joint
Origin: Femoral condyles
Insertion: Calcaneous (Achillies Tendon)
Actions at the Knee:
-Flexion
What is the Pes Anserinus
“Say Grace before Tea”
S=Sartorius (front)
G=Gracilis
T= Semi’T’endonosis (back)
TIBIALIS ANTERIOR
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Lateral condyle of Tibia
Insertion: 1st Metatarsal
Actions:
-Dorsiflexion
EXTENSOR DIGITORUM LONGUS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Lateral condyle of Tibia
Insertion: Phalanges 2-5
Actions:
- Extension of Toes
EXTENSOR HALLICUS LONGUS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Fibula
Insertion: Hallex
Actions:
- Extension of the big toe
GASTROCNEMIUS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Femoral condyles
Insertion: Calcaneus via the Achilles Tendon
Actions:
-Plantar Flexion
SOLEUS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Tibia and Fibula
Insertion: Calcaneus via the Achilles Tendon
Actions:
-Plantar Flexion
TIBIALIS POSTERIOR
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Posterior Tibia and Fibula
Insertion: Metatarsals 2-4
Actions:
- Plantar Flexion
- Inversion
FLEXOR DIGITORUM LONGUS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Posterior Tibia
Insertion: Phalanges 2-5
Actions:
- Flexion of the Toes
FLEXOR HALLICUS LONGUS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Fibula
Insertion: Hallux
Actions:
- Flexion of the big toe (hallex)
FIBULARIS LONGUS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Head of Fibula
Insertion: 1st Metatarsal
Actions:
- Plantar Flexion
- Eversion
FIBULARIS BREVIS
Locate, Origin, Insertion and Actions
Locate: Ankle and Foot
Origin: Head of Fibula
Insertion: 5th Metatarsal
Actions:
- Plantar Flexion
- Eversion