LL Practice Quiz (150 questions)
extensor digitorum longus
A muscle on the anterior surface of the leg is the - flexor hallucis longus - flexor digitorum longus - extensor digitorum longus - soleus
tibialis anterior
A muscle that dorsiflexes the foot is the - tibialis posterior - peroneus longus - plantaris - tibialis anterior
the fabella
A sesamoid bone occasionally found within the lateral head of the gastrocnemius is
tibialis anterior
A superficial muscle of the leg, this one dorsiflexes the foot
extends thigh at hip and flexes the knee
Action
medial compartment of the thigh
Adductor magnus, adductor longus, and adductor brevis are parts of a large muscle mass of the ________.
vastus lateralis
Each of the following muscles acts to flex the leg, except the - gracilis. - vastus lateralis - semitendonosus - sartorius
hamstring muscles
Paralysis of which of the following muscles would make an individual unable to flex the knee? - quad muscles - hamstring muscles - adductor muscles
iliopsoas and rectus femoris
Paralysis of which of the following would make an individual unable to flex the thigh?
iliopsoas
Paralysis of which of the following would make an individual unable to flex the hip: - iliopsoas - bicep femoris - semitendinosus - vastus lateralis
tibialis posterior, flexor digitorum longus, and flexor hallucis longus.
Posterior to the medial malleolus, the tendons of three muscles travel. In order from anterior to posterior, they are the tendons of the
- gastracnemius
Responsible for plantar flexion? - gastracnemius - peroneus tertius - tibialis anterior
False
T/F: Plantar flexion at the ankle joint is accomplished by the tibialis anterior muscle.
true
T/F: The extensor digitorum brevis is a muscle that extends the proximal phalanges of toes I— IV.
True
T/F: The flexor hallucis brevis is a muscle that flexes the proximal phalanx of the great toe
True
T/F: The soleus is a synergist of the gastrocnemius during plantar flexion
hip flexion
The actions of the tensor fascia latae include
quadriceps femoris
The antagonistic muscles to the hamstrings are the
iliotibial tract
The band of collagen fibers that laterally braces the knee is the
soleus.
The flat muscle located under the gastrocnemius that looks like a fish is the
brace the knee laterally, especially when a person stands on one foot.
The function of the iliotibial tract is to
gluteal
The greater trochanter is the insertion point for the _____ muscle group. - quadriceps - hamstrings - gluteal
the inferior surface of the distal phalanx of the great toe.
The insertion of the flexor hallucis longus is
eversion of ankle
The main action of the peroneus longus and brevis is
flexor digitorum longus
The most important muscles used to pick up a pencil with your toes are the hallucis longus, which acts on the great toe, and the ________.
quadriceps femoris
The most powerful muscle in the body is the ________.
popliteus.
The muscle that medially rotates and flexes (unlocks) the knee joint is the
tibial tuberosity.
The muscles of the quadriceps femoris group insert on (the)
tensor fasciae latae
The muscles that laterally rotate the thigh include all of the following, except the - obturator internus - tensor fasciae latae - piriformis - quadratus femoris
knee
The only joint in the body that flexes posteriorly.
sartorius.
The only knee flexor that originates superior to the acetabulum is the
hamstrings
The quadriceps are the prime movers of knee extension. Which muscle group is an antagonist to knee extension?
biceps femoris.
The quadriceps group includes all of the following, except the - biceps femoris. - rectus femoris - vastus lateralis - vastus medialis
plantaris
The smallest muscle of the sural region that takes part in plantar flexion is the ________ muscle.
4
There are _______ layers of muscles on the plantar surface of the foot.
iliopsoas
This deep muscle flexes the trunk on the thigh.
flexes thigh at the hip
What is an action of the highlighted muscle?
knee extension
What is the main function of the quadriceps femoris group:
sartorius
What is the muscle that originates above the acetabulum and inserts on the tibia?
rectus abdominis
Which muscle fixes and depresses the ribs and stabilizes the pelvis during walking?
thigh adductors
Which muscle group is involved when a "pulled groin" occurs?
the vastus lateralis
Which muscles serves as a common intramuscular injection site for infants?
extends digits 2 thru 5
Which of the following describes an action of the highlighted muscle?
all of the above
Which of the following is a flexor of the knee? - bicep femoris - semitendinosus - gastrocnemius - all of the above
adducts thigh
Which of the following is an action of the highlighted muscle: - adducts thigh - abducts thigh - extends the knee - none of the above
gracilis
Which of the following is not a member of the hamstrings? - semitendinosus - semimembranosus - gracilis - bicep femoris
popliteus
Which of the following muscles does not act in plantar flexion? - popliteus - flexor digitorum longus - plantaris - soleus
the gastrocnemius
Which of the following muscles inserts by the calcaneal tendon? - gastrocnemius - tibialis posterior - flexor digitorum longus
tibialis anterior
Which of the following muscles is involved in inversion at the ankle joint? - flexor digitorum lungus - tibialis posterior - tibialis anterior - extensor digitorum longus
tibialis anterior
Which of the following muscles is involved in inversion at the ankle joint? - tibialis anterior - gastrocnemius - fibualris longus - fibularis brevis
gluteus maximus
Which of the following muscles pulls on the iliotibial tract? - semimembranosus - gluteus maximus - gluteus minimus - rectus femoris
all of the above
Which of these muscles is a member of the quadriceps group? - vastus lateralis - rectus femoris - vestus medialis - all of the above
all of the above
Which of these muscles produces lateral rotation at the hip? - obturator internus - pyriformis - superior gemellus - inferior gemellus
sartorius
identify the muscle
false
true or false Dorsiflexion and plantar flexion are synergistic actions
true
true or false: The adductor magnus can both flex and extend the thigh depending on the part activated.
true
true or false: The calcaneal tendon (Achilles tendon) is the largest, strongest tendon in the body
posterior compartment of the thigh.
Biceps femoris, semitendinosus, and semimembranosus are all in the
hamstrings
Commonly referred to as the ________, this muscle group on the posterior thigh extends the hip.
compartments swelling with blood due to an injury involving blood vessels that serve the compartment.
Compartment syndrome is the result of
second-class
Contracting the gastrocnemius muscles to elevate the body on the toes involves a ________ lever.
ilium
From which bone does the highlighted muscle originate?
ASIS
From which of the following structures does the highlighted muscle originate?
three vastus muscles and the rectus femoris.
Knee extensors, known as the quadriceps femoris, include the
gluteus medius and gluteus minimus
Like the deltoid muscle that lies over and abducts the shoulder, these two muscles lie over the hip and are prime movers of hip abduction. Neither muscle extends the hip.
extend the leg.
Muscle groups found along the anterior and lateral surfaces of the leg act primarily to
extend
Muscles in the anterior compartment of the leg act to _______ the digits of the foot.
muscles that move the thigh
Muscles in which of the following groups originate on the pelvis - muscles that move the trunk - muscles that move the thigh - muscles that move the foot
flex
Muscles of the deep layer of the posterior compartment of the leg __________________ the digits of the foot.
linea aspera
Onto which structure of the femur does this muscle have an insertion?
