Exam 4 Class Assignment study guide
Both heads of the biceps femoris muscle __________.
flex the leg at the knee
Which of these is the function of the external oblique muscles?
flex vertebral column and compress abdominal wall
The actions of the muscles that cross the hip do not include __________.
inversion
Which of the following is NOT a member of the hamstrings?
gracilis
Paralysis of which of the following muscles would make an individual unable to flex the knee?
hamstring muscles
The rectus femoris muscle extends the leg at the
knee
Both the Psoas major muscle and iliacus muscle insert on the __________.
lesser trochanter of femur
Your elderly patient recovering from knee replacement surgery doesn't understand why she has to do rehabilitation of the muscles around her knee. How would you explain it to her?
"The large muscle groups that surround the knee are just as important as the bones in making sure your knee is stable. You need to strengthen them to support your new knee." Correct Much of the stability of the knee joint is created by the tension between the large quadriceps group anteriorly and the hamstrings group posteriorly.
The origin of the Sartorius muscle is from the ____spine .
Anterior superior iliac
The semi membranous ______the thigh at the hip and _______the leg at the knee
Extends ; flexes
The gluteus Maximus is the most powerful muscle during ____.
Extension
A muscle that originates on the posterior surface of the ischium and inserts on the posterior surface of the
Flex the leg and extend the thigh . Correct This muscle will pull the leg posteriorly at both hip and knee joints, straightening the hip and flexing the leg at the knee.
The soleus muscle ______the foot at the ankle and is innervated by the _______.
Flexes ; tibial nerve
The prime mover of hip extension is the ____.
Gluteus Maximus
The iliacus and the Psoas major muscles are collectively known as the ____ muscles because they share a common insertion on the ____ of the femur
Iliopsoas , lesser trochanter
The hamstring muscles originate on the _______.
Ishiah tuberosity
The origins of the lateral head of the gastrocnemius muscle are the ____.
Lateral condyle and posterior surface of femur
The origin that the vastus medialis muscle shares with the vastus lateralis is the ____.
Linea aspera of the femor
Abduction
Movement away from the midline of the body
Adduction
Movement toward the midline of the body
The most powerful movement at the ankle joint is the______and the ______is one of the prime movers of this movement.
Plantar flexion ; gastrocnemius
To allow flexion , the ____ unlocks the knee joint .
Popliteus
The semitendinosus muscle lies _______to the semimembranosus muscle
Posterior
The ball and socket joint in the hip is similar to the ball and socket joint of the shoulder but is designed more for______ than ________.
Power , precision
Drag the labels to their respective targets
Refer to printed images page. Image #6.
Which of the following muscles is involved in crossing one leg over the other to produce the cross-legged position?
Sartorius
Which muscle helps a person to cross a leg when seated (place one's lateral ankle on the opposite knee)?
Sartorius, B . Laterally rotates and abducts the thigh . Necessary when placing one ankle on the opposite knee when sitting .
The anterior muscles of the thigh that originate on the is coxae are
Satorius , rectus femoris
The gastrocnemius muscle is innervated by the ___.
Tibial nerve
The ____runs deep to the internal oblique
Transversus abdominis
The calcaneal tendon (Achilles tendon) is the largest tendon in the body.
True
The semitendinosus muscle is innervated by the ____nerve
Tibial
The anterior compartment of the thigh is involved in lower leg extension.
True The quadriceps group sits in the anterior compartment of the thigh. These muscles extend the lower leg.
Inversion
Turning the sole of the foot inward
Which of the following muscles serves as a common intramuscular injection site, particularly in infants as the buttocks and arm muscles are poorly developed?
Vastus lateralis
Which of the following is NOT a muscle primarily involved in the breathing process?
latissimus dorsi
Which of the following muscles does NOT act in plantar flexion?
popliteus
The origin of the external obliques includes ribs ____.
5-12
Strengthening the quadriceps femoris muscles is likely to result in which of the following? (Select all that apply).
A more stable knee joint
The tensor fascia is involved in hip ______.
Abduction
The origin of the rectus femoris is the _______.
Anterior inferior iliac spine
The vastus intermedius ____the leg at the knee .
Extends
The soles is an antagonist of the gastrocnemius during plantar flexion
False
Which of the following muscles inserts to the posterior calcaneus via the calcaneal tendon?
Gastrocnemius
The soleus muscle shares an insertion with the _____.
Gastrocnemius muscle
The tibialis anterior muscle dorsiflexes the foot at the ankle and also assists in ___of the foot .
Inversion
The long head of the biceps femoris muscle originates on the ____.
Ischial tuberosity
Which of the following is a hamstring muscle?
biceps femoris. Correct The hamstrings are fleshy muscles of the posterior thigh (biceps femoris, semitendinosus, anc and are prime movers of thigh extension and knee flexion
Which muscle is represented by the letter D?
biceps femoris. Most lateral muscle of the hamstrings group .
The actions of the internal obliques include __________.
compression of the abdomen to assist in forced expiration
The extensor hallucis muscle inserts on digit ___
One
The biceps femoris is located in the _____.
Posterior thigh
The origins of the rectus abdominus muscles are on the ______.
Pubic bone
The muscle that divides the ventral body cavity into the thoracic and abdominopelvic cavities is the _____.
diaphragm
Mrs. Tanner's difficulty flexing her leg at the knee is most likely due to problems with:
biceps femoris. Correct The biceps femoris muscle is a prime mover in knee flexion.
Which of the following muscles does the phrenic nerve innervate?
diaphragm. Correct The phrenic nerve innervates the diaphragm. The intercostal nerves innervate the accessory nerves.
The two heads of the gastrocnemius muscle converge to insert onto __________.
calcaneus
Identify the action of the muscle at A
compress abdomen. Deepest of the abdominal wall .
extends the great toe.
extensor hallucis longus
Eversion of the foot is a function of the
fibularis longus
Other muscles that evert the foot
fibularis tertius and the fibularis brevis
The abnormal protrusion of the small intestine through a weak point in the muscle of the abdominal wall is called a
hernia
The majority of the fibers of the gluteus Maximus insert onto the ____.
iliotibial tract
Which of the following statements is FALSE?
The hamstrings are prime movers of hip ( thigh ) flexion and knee ( leg) flexion . Correct The hamstrings are prime movers of hip (thigh) extension, not hip flexion. They are also prime movers of knee (leg) flexion.
All fibers of the semimembranosus muscle converge to insert on the __________.
posterior tibia
Which muscle originates on the pubic crest and symphysis and inserts on the xiphoid process and costal cartilages of ribs V through VII ?
rectus abdominis, D
The quadriceps femoris is composed of three "vastus" muscles and the
rectus femoris
Which muscle acts as both a knee (leg) extensor and hip (thigh) flexor?
rectus femoris . Correct The quadriceps femoris (group of four muscles) is a powerful knee extensor. One of the quadriceps, rectus femoris, also acts as a hip flexor.
Which of these muscles is visible in the figure but NOT indicated by a letter?
serratus anterior
Muscles that act on the knee joint form most of the mass of the __________.
thigh
Which muscle group is involved when a "pulled groin" occurs?
thigh adductors
The prime mover of dorsiflexion is the
tibialis anterior
What muscle is primarily responsible for preventing foot drop?
tibialis anterior
Which muscle is the prime mover of dorsiflexion?
tibialis anterior, D
