Muscles of the Lower Limb Flashcards
(50 cards)
What are the major compartments of the thigh, and what is their primary function?
The thigh has anterior (knee extension), medial (hip adduction), and posterior (knee flexion and hip extension) compartments.
What are the major compartments of the leg, and what is their primary function?
The leg has anterior (dorsiflexion), lateral (eversion), and posterior (plantarflexion) compartments.
What are the muscles of the anterior compartment of the thigh?
The anterior compartment of the thigh includes the quadriceps femoris (rectus femoris, vastus lateralis, vastus medialis, vastus intermedius) and sartorius.
What are the muscles of the medial compartment of the thigh?
The medial compartment of the thigh includes the adductor longus, adductor brevis, adductor magnus, gracilis, and pectineus.
What are the muscles of the posterior compartment of the thigh?
The posterior compartment of the thigh includes the biceps femoris, semitendinosus, and semimembranosus.
What are the muscles of the anterior compartment of the leg?
The anterior compartment of the leg includes the tibialis anterior, extensor hallucis longus, extensor digitorum longus, and fibularis tertius.
What are the muscles of the lateral compartment of the leg?
The lateral compartment of the leg includes the fibularis (peroneus) longus and fibularis (peroneus) brevis.
What are the muscles of the posterior compartment of the leg?
The posterior compartment of the leg includes the gastrocnemius, soleus, plantaris, popliteus, flexor hallucis longus, flexor digitorum longus, and tibialis posterior.
What are the major muscles involved in hip flexion?
Hip flexors include the iliopsoas, rectus femoris, sartorius, and pectineus.
What are the major muscles involved in hip extension?
Hip extensors include the gluteus maximus, hamstrings (biceps femoris, semitendinosus, semimembranosus).
What are the major muscles involved in hip abduction?
Hip abductors include the gluteus medius, gluteus minimus, and tensor fasciae latae.
What are the major muscles involved in hip adduction?
Hip adductors include the adductor longus, adductor brevis, adductor magnus, and gracilis.
What are the major muscles involved in knee extension?
Knee extensors include the quadriceps femoris group.
What are the major muscles involved in knee flexion?
Knee flexors include the hamstrings and gastrocnemius.
What are the major muscles involved in ankle dorsiflexion?
Ankle dorsiflexors include the tibialis anterior, extensor hallucis longus, and extensor digitorum longus.
What are the major muscles involved in ankle plantarflexion?
Ankle plantarflexors include the gastrocnemius, soleus, plantaris, and tibialis posterior.
What are the major muscles involved in foot inversion?
Foot inverters include the tibialis anterior and tibialis posterior.
What are the major muscles involved in foot eversion?
Foot everters include the fibularis longus and fibularis brevis.
What is the origin, insertion, and function of the iliopsoas muscle?
The iliopsoas originates from the lumbar vertebrae and ilium, inserts into the lesser trochanter, and flexes the hip.
What is the origin, insertion, and function of the rectus femoris muscle?
The rectus femoris originates from the AIIS, inserts into the patella, and extends the knee while flexing the hip.
What is the origin, insertion, and function of the vastus lateralis muscle?
The vastus lateralis originates from the femur, inserts into the patella, and extends the knee.
What is the origin, insertion, and function of the vastus medialis muscle?
The vastus medialis originates from the femur, inserts into the patella, and extends the knee.
What is the origin, insertion, and function of the vastus intermedius muscle?
The vastus intermedius originates from the femur, inserts into the patella, and extends the knee.
What is the origin, insertion, and function of the sartorius muscle?
The sartorius originates from the ASIS, inserts into the tibia, and flexes, abducts, and laterally rotates the hip.
