Lower Extremity Joints and Muscles Flashcards
Sacro-Iliac Joint
Articulating bones: Sacrum/Ilium
Joint type: gliding joint
Movement: gliding movements
Coxal Joint
Articulating bones: coxal bone/femur
Joint type: ball and socket
Movement: flexion, extension, circumduction, abduction, adduction, medial/lateral rotation
Iliopsoas group
(iliac and poses major)
on anterior hip
Action: flexion of thigh/femur at hip/coxal joint
Gluteus Maximus
superficial
Action: extension, lateral rotation, abduction of thigh/femur at hip/coxal joint
Gluteus Medius
middle muscle
Action: abduction, medial rotation of thigh/femur at hip/coxal joint
Gluteus Minimus
deep
Action: abduction, medial rotation of thigh/femur at hip/coxal joint
Tensor Fasciae Latae
Inserts into the iliotibial tract extending along the lateral surface of the thigh/femur
Action: abduction, medial rotation of thigh/femur at hip/coxal joint
Tibiofemoral/knee joint
Articulating bones: tibia/femur
Joint type: hinge
Movement: flexion, extension, some rotation
Ligaments: Anterior cruciate, Posterior Cruciate, Lateral Collateral, Medial Collateral
Meniscus of knee
Sartorius
runs diagonally across the thigh/femur
Action: flexion of leg at tibiofemoral/knee joint
Rectus Femoris
anterior thigh
Action: extension
Vastus Lateralis
lateral side
Action: extension of leg at tibiofemoral/knee joint
Vastus Medialis
medial side
Action: extension
Vastus Intermedius
deep
Action: extension
Biceps Femoris
lateral
Action: flexion
Semitendinosus
middle
Action: flexion