Lab 9
The soleus is an antagonist of the gastrocnemius during plantar flexion. - True or False
- False
The anterior compartment of the thigh is involved in lower leg extension. - True or False
- True
The calcaneal tendon (Achilles tendon) is the largest tendon in the body. - True or False
- True
Which of the following muscles is a flexor of the thigh at the hip? - gluteus maximus - tibialis posterior - vastus lateralis - adductor magnus
- adductor magnus
The origin of the rectus femoris is the ____________. - anterior inferior iliac spine - linea aspera - anterior femur - greater trochanter
- anterior inferior iliac spine
The origin of the Sartorius muscle is from the __________ spine. - anterior inferior iliac - posterior superior iliac - posterior inferior iliac - anterior superior iliac
- anterior superior iliac
The main action of the fibularis longus is to __________. - evert the foot - dorsiflexes the foot - plantar flexes the foot - invert the foot
- evert the foot
The action of the extensor digitorum longus muscle is to __________. - flex the digits - extend digits - plantar flex the foot - invert the foot
- extend digits
The vastus intermedius __________ the leg at the knee. - flexes - extends - laterally rotates - medially rotates
- extends
The semimembranosus __________ the thigh at the hip and __________ the leg at the knee. - extends; flexes - abducts; flexes - adducts; extends - flexes; extends
- extends; flexes
The gluteus maximus is the most powerful muscle during __________. - extension - medial rotation - flexion - lateral rotation
- extension
The vastus lateralis is innervated by the __________. - tibial nerve - fibular nerve - femoral nerve - sacral nerve
- femoral nerve
The soleus muscle __________ the foot at the ankle and is innervated by the __________. - flexes; fibular nerve - extends; tibial nerve - extends; fibular nerve - flexes; tibial nerve
- flexes; tibial nerve
The soleus muscle shares an insertion with the __________. - gastrocnemius muscle - fibularis longus muscle - flexor digitorum longus - flexor hallucis longus
- gastrocnemius muscle
Which of the following muscles is most responsible for moving the leg laterally away from the body, such as when taking a side step? - gluteus maximus - gluteus medius - adductor magnus - biceps femoris
- gluteus medius
Which muscle is a synergist of the adductor group for adducting the thighs? - gluteus maximus - gracilis - sartorius - biceps femoris
- gracilis
Which of the following is NOT a member of the hamstrings? - biceps femoris - gracilis - semitendinosus - semimembranosus
- gracilis
Paralysis of which of the following muscles would make an individual unable to flex the knee? - soleus - brachioradialis - hamstring muscles - gluteal muscles
- hamstring muscles
Paralysis of which of the following would make an individual unable to flex the thigh? - biceps femoris - iliopsoas and rectus femoris - vastus medialis - soleus
- iliopsoas and rectus femoris
The majority of the fibers of the gluteus maximus insert onto the __________. - superior border of the os coxae - inferior border of the os coxae - iliotibial tract - gluteal tuberosity
- iliotibial tract
The tibialis anterior muscle dorsiflexes the foot at the ankle and also assists in __________ of the foot. - inversion - extension - eversion - plantar flexion
- inversion
The rectus femoris muscle extends the leg at the __________. - elbow - hip - ankle - knee
- knee
The tensor fasciae latae stabilizes the hip joint and the __________ joint. - ankle - elbow - sacral - knee
- knee
The origins of the lateral head of the gastrocnemius muscle are the __________. - patellar surface and posterior surface of the femur - lateral condyle and posterior surface of the femur - patellar surface and anterior surface of the femur - medial condyle and posterior surface of the femur
- lateral condyle and posterior surface of the femur
Both the Psoas major muscle and iliacus muscle insert on the __________. - intertrochanteric crest - lesser trochanter of the femur - greater trochanter of the femur - linea alba of the femur
- lesser trochanter of the femur
The origin that the vastus medialis muscle shares with the vastus lateralis is the __________. - greater trochanter - lesser trochanter - patellar tendon - linea aspera of the femor
- linea aspera of the femor
Which of the following muscles does NOT act in plantar flexion? - popliteus - gastrocnemius and soleus - flexor digitorum longus - tibialis posterior
- popliteus
The semitendinosus muscle lies ______________ to the semimembranosus muscle. - posterior - deep - anterior - lateral
- posterior
All fibers of the semimembranosus muscle converge to insert on the __________. - posterior femur - posterior tibia - anterior femur - anterior tibia
- posterior tibia
The quadriceps femoris is composed of three "vastus" muscles and the ________. - biceps femoris - semimembranosus - rectus femoris - semitendinosus
- rectus femoris
Which muscle acts as both a knee (leg) extensor and hip (thigh) flexor? - vastus lateralis - rectus femoris - biceps femoris - gluteus maximus
- rectus femoris
Which of the following muscles inserts on the tibia? - iliopsoas - gluteus medius - adductus longus - sartorius
- sartorius
Which of the following muscles is NOT part of the muscle group known as the quadriceps femoris? - rectus femoris - vastus intermedius - sartorius - vastus lateralis
- sartorius
The gluteus medius muscle is innervated by the __________. - superior coxial nerve - inferior coxial nerve - superior gluteal nerve - inferior gluteal nerve
- superior gluteal nerve
The two heads of the gastrocnemius muscle converge to insert onto __________. - the middle phalanx of digit one - digits two through five - the calcaneus - the posterior surface of the tibia
- the calcaneus
Which of the following muscles inserts to the posterior calcaneus via the calcaneal tendon? - the gastrocnemius - the sartorius - the semitendinosus - the tibialis anterior
- the gastrocnemius
The posterior surface of the tibial shaft is __________. - the joint where the muscle induces movement - the insertion of the flexor digitorum longus - the origin of the flexor digitorum longus - none of the above
- the origin of the flexor digitorum longus
Which of the following muscles is involved in crossing one leg over the other to produce the cross-legged position? - the gastrocnemius - the sartorius - the quadriceps femoris - all of the hamstrings
- the sartorius
The semitendinosus muscle is innervated by the __________ nerve. - femoral - tibial - patellar - coxal
- tibial
The flexor digitorum longus muscle is innervated by the __________. - fibular nerve - lateral nerve - medial nerve - tibial nerve
- tibial nerve
The gastrocnemius muscle is innervated by the __________. - ulnar nerve - fibular nerve - tibial nerve - plantar nerve
- tibial nerve
Which of the following muscles is involved in inversion at the ankle joint? - extensor digitorum longus - fibularis (peroneus) longus - fibularis (peroneus) tertius - tibialis anterior
- tibialis anterior
