Muscles Part 3

24 July 2022
4.7 (114 reviews)
71 test answers

Unlock all answers in this set

Unlock answers (67)
question
The extensor muscle that branches to form four tendons on the back of the hand is the __________. extensor carpi radialis longus extensor digitorum extensor carpi radialis brevis extensor ulnaris
answer
extensor digitorum
question
The deep posterior extensor of the wrist and fingers __________. controls the thumb and wrist controls the thumb and index finger controls the index finger and wrist controls all four digits
answer
controls the thumb and index finger
question
Which deep posterior extensor of the wrist originates on the radius and ulna and interosseous membrane? the extensor pollicis longus the extensor pollicis brevis the abductor pollicis longus the extensor indicis
answer
the abductor pollicis longus
question
To allow movement of the tendons within the carpal tunnel zone, each tendon is encased in a __________. sheath osseous membrane meniscus bursa
answer
sheath
question
Carpal tunnel syndrome is characterized by __________. inflammation of the extensor retinaculum inflammation of the flexor digitorum profundus inflammation of the extensor carpi radialis inflammation of the flexor retinaculum and/or tendon sheaths
answer
inflammation of the flexor retinaculum and/or tendon sheaths
question
The prime mover of wrist extension is the __________. extensor carpi ulnaris extensor carpi radialis longus extensor carpi radialis brevis extensor digitorum
answer
extensor digitorum
question
Wrist abduction occurs through the actions of __________ muscles. four two five three
answer
four
question
The two heads of the biceps brachii combine to insert on the __________. ulnar notch olecranon process radial tuberosity radial notch
answer
radial tuberosity
question
The brachialis muscle is located __________ to the biceps brachii muscle. superiorly laterally superficially deep
answer
deep
question
All fibers of the triceps brachii are innervated by the __________. ulnar nerve axillary nerve radial nerve humeral nerve
answer
radial nerve
question
Of all the flexor muscles of the forearm, the __________ is the shortest. flexor ulnaris pronator teres flexor digitorum superficialis flexor carpi radialis longus
answer
pronator teres
question
The origin of the flexor carpi radialis is on the __________. radius metacarpals humerus ulna
answer
humerus
question
The insertion of the extensor carpi radialis longus muscle is on __________. metacarpal three metacarpal two metacarpal four metacarpal one
answer
metacarpal two
question
The flexor carpi ulnaris __________. adducts the wrist abducts the wrist supinates the forearm extends the forearm
answer
adducts the wrist
question
The actions of the extensor carpi radialis brevis are localized to the __________. elbow radius ulna wrist
answer
wrist
question
The brachioradialis is a strong forearm __________. supinator flexor pronator extensor
answer
flexor
question
At the completion of supinator action, the palm is turned __________. posteriorly medially laterally anteriorly
answer
anteriorly
question
What are the three heads of the flexor digitorum superficialis? lateral, medial, and proximal superficial, inferior, and middle humeral, radial, and ulnar proximal, distal, and middle
answer
humeral, radial, and ulnar
question
The insertion of the extensor digitorum branches into __________. four tendons two tendons three tendons five tendons
answer
four tendons
question
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 ___________. precision; speed speed; precision power; precision precision; power
answer
power; precision
question
The iliacus and the psoas major muscles are collectively known as the ____________ muscle because they share a common insertion on the __________ of the femur. iliopsoas; lesser trochanter iliopsoas; greater trochanter psoasiliacus; greater trochanter psoasiliacus; lesser trochanter
answer
iliopsoas; lesser trochanter
question
The medial muscles of the hip joint that insert on the linea aspera are the __________. adductor magnus, adductor brevis, and pectineus adductor magnus, adductor brevis, and adductor longus gracilis, adductor magnus, pectineus, and adductor longus pectineus, adductor magnus, and adductor longus
answer
adductor magnus, adductor brevis, and adductor longus
question
The lateral rotators act on the __________. lumbar vertebrae femur sacrum os coxae
answer
femur
question
The piriformis originates on the __________ and inserts on the __________. sacrum; greater trochanter of the femur sacrum; lesser trochanter of the femur ischium; greater trochanter of the femur ischium; lesser trochanter of the femur
answer
sacrum; greater trochanter of the femur
question
The actions of the muscles that cross the hip do not include __________. inversion medial rotation extension flexion
answer
inversion
question
The prime mover of hip extension is the __________. adductor magnus gracilis gluteus maximus pectineus
answer
gluteus maximus
question
The tensor fascia latae is involved in hip __________. abduction lateral rotation extension adduction
answer
abduction
question
The tensor fasciae latae stabilizes the hip joint and the __________ joint. ankle elbow knee sacral
answer
knee
question
Both the Psoas major muscle and iliacus muscle insert on the __________. linea alba of the femur intertrochanteric crest greater trochanter of the femur lesser trochanter of the femur
answer
lesser trochanter of the femur
question
The insertion of the pectineus muscle is __________ and on the __________. anterior; pubis posterior; pubis anterior; femur posterior; femur
answer
posterior; femur
question
The pectineus muscle __________ the thigh and is innervated by the __________ nerve. adducts and flexes; femoral abducts and extends; femoral adducts and flexes; fibular abducts and extends; fibular
answer
adducts and flexes; femoral
question
The majority of the fibers of the gluteus maximus insert onto the __________. iliotibial tract inferior border of the os coxae gluteal tuberosity superior border of the os coxae
answer
iliotibial tract
question
The gluteus maximus is the most powerful muscle during __________. extension lateral rotation flexion medial rotation
answer
extension
question
The gluteus medius muscle is innervated by the __________. inferior coxial nerve superior gluteal nerve inferior gluteal nerve superior coxial nerve
answer
superior gluteal nerve
question
Muscles that act on the knee joint form most of the mass of the __________. calf thigh hip knee
answer
thigh
question
The anterior muscles of the thigh that originate on the os coxae are __________. rectus femoris; vastus medialis sartorius; vastus medialis vastus lateralis; vastus medialis sartorius; rectus femoris
answer
sartorius; rectus femoris
question
The hamstring muscles originate on the __________. lesser trochanter of the femur ischial tuberosity medial surface of the tibia medial surface of the fibula
answer
ischial tuberosity
question
To allow for flexion, the __________ unlocks the knee joint. sartorius semimembranosus popliteus biceps femoris
answer
popliteus
question
The origin of the rectus femoris is the ____________. anterior femur linea aspera greater trochanter anterior inferior iliac spine
answer
anterior inferior iliac spine
question
The rectus femoris muscle extends the leg at the __________. hip knee elbow ankle
answer
knee
question
The origin of the Sartorius muscle is from the __________ spine. posterior inferior iliac posterior superior iliac anterior superior iliac anterior inferior iliac
answer
anterior superior iliac
question
The origin that the vastus medialis muscle shares with the vastus lateralis is the __________. lesser trochanter patellar tendon greater trochanter linea aspera of the femor
answer
linea aspera of the femor
question
All fibers of the semimembranosus muscle converge to insert on the __________. posterior femur anterior femur anterior tibia posterior tibia
answer
posterior tibia
question
The semimembranosus __________ the thigh at the hip and __________ the leg at the knee. flexes; extends abducts; flexes extends; flexes adducts; extends
answer
extends; flexes
question
The vastus lateralis is innervated by the __________. tibial nerve fibular nerve sacral nerve femoral nerve
answer
femoral nerve
question
The semitendinosus muscle lies ______________ to the semimembranosus muscle. lateral posterior anterior deep
answer
posterior
question
The semitendinosus muscle is innervated by the __________ nerve. tibial patellar femoral coxal
answer
tibial
question
Both heads of the biceps femoris muscle __________. flex the hip flex the leg at the knee extend the leg at the knee extend the hip
answer
flex the leg at the knee
question
The long head of the biceps femoris muscle originates on the __________. iliac crest ischial tuberosity anterior superior iliac spine posterior superior iliac spine
answer
ischial tuberosity
question
The biceps femoris is located in the __________. posterior arm anterior thigh anterior arm posterior thigh
answer
posterior thigh
question
Which of the following is not true of the deep fascia of the leg? aids in venous return prevents excess swelling of the muscles separates anterior and posterior muscles an insertion for the majority of lower leg muscles
answer
an insertion for the majority of lower leg muscles
question
The two muscles that insert on the fifth phalanx or on the fifth metatarsal are the __________. fibularis longus and extensor hallucis longus extensor digitorum longus and fibularis longus extensor digitorum longus and fibularis tertius fibularis tertius and extensor hallucis longus
answer
extensor digitorum longus and fibularis tertius
question
An insertion of the fibularis longus is the __________. distal phalanx of digit one base of metatarsal two base of metatarsal five medial cuneiform
answer
medial cuneiform
question
The flexor hallucis longus muscle originates on the __________. distal phalanges of digits 2-5 femur interosseous membrane medial cuneiform
answer
interosseous membrane
question
The soleus and the gastrocnemius share an insertion on the __________. distal phalanx fibula calcaneus medial cuneiform
answer
calcaneus
question
The prime mover of dorsiflexion is the __________. extensor digitorum longus fibularis tertius extensor hallucis longus tibialis anterior
answer
tibialis anterior
question
Eversion of the foot is a function of the __________. extensor digitorum fibularis longus tibialis anterior extensor hallucis
answer
fibularis longus
question
The most powerful movement at the ankle joint is __________, and the ________ is one of the prime movers of this movement. plantar flexion; tibialis anterior dorsiflexion; gastrocnemius plantar flexion; gastrocnemius dorsiflexion; tibialis anterior
answer
plantar flexion; gastrocnemius
question
The main action of the fibularis longus is to __________. evert the foot dorsiflexes the foot plantar flexes the foot invert the foot
answer
evert the foot
question
The origins of the lateral head of the gastrocnemius muscle are the __________. medial condyle and posterior surface of the femur lateral condyle and posterior surface of the femur patellar surface and posterior surface of the femur patellar surface and anterior surface of the femur
answer
lateral condyle and posterior surface of the femur
question
The gastrocnemius muscle is innervated by the __________. ulnar nerve plantar nerve fibular nerve tibial nerve
answer
tibial nerve
question
The two heads of the gastrocnemius muscle converge to insert onto __________. the calcaneus the posterior surface of the tibia digits two through five the middle phalanx of digit one
answer
the calcaneus
question
The tibialis anterior muscle dorsiflexes the foot at the ankle and also assists in __________ of the foot. plantar flexion eversion inversion extension
answer
inversion
question
The tibialis posterior muscle originates at which three locations? tibia, fibula, and interosseous membrane fibula, patellar surface, and interosseous membrane tibia, patellar surface, and interosseous membrane tibia, femur, and interosseous membrane
answer
tibia, fibula, and interosseous membrane
question
The action of the extensor digitorum longus muscle is to __________. invert the foot extend digits plantar flex the foot flex the digits
answer
extend digits
question
The soleus muscle shares an insertion with the __________. flexor digitorum longus gastrocnemius muscle fibularis longus muscle flexor hallucis longus
answer
gastrocnemius muscle
question
The soleus muscle __________ the foot at the ankle and is innervated by the __________. extends; fibular nerve flexes; fibular nerve flexes; tibial nerve extends; tibial nerve
answer
flexes; tibial nerve
question
The extensor hallucis longus muscle inserts on digit __________. one two four three
answer
one
question
The posterior surface of the tibial shaft is __________. the insertion of the flexor digitorum longus the joint where the muscle induces movement the origin of the flexor digitorum longus none of the above
answer
the origin of the flexor digitorum longus
question
The flexor digitorum longus muscle is innervated by the __________. fibular nerve lateral nerve tibial nerve medial nerve
answer
tibial nerve
question
The flexor hallucis longus muscle originates from the __________. anterior surface of the fibular shaft anterior surface of the tibial shaft posterior surface of the fibular shaft posterior surface of the tibial shaft
answer
posterior surface of the fibular shaft