Mastering A+P: Chapter 11: Appendicular Musculature

The tensor fascia latae is involved in hip __________.

Abduction

The pectineus muscle __________ the thigh and is innervated by the __________ nerve.

Adducts and flexes Femoral

The ________ tendon is the strongest, thickest tendon in the body.

Calcaneal Tendon

The soleus and the gastrocnemius share an insertion on the __________.

Calcaneus

The two heads of the gastrocnemius muscle converge to insert onto __________.

Calcaneus

The main action of the fibularis longus is to __________.

Evert the foot

The action of the extensor digitorum longus muscle is to __________.

Extend digits

The vastus intermedius __________ the leg at the knee.

Extends

What action would result if the rectus femoris contracted while the biceps femoris relaxed?

Extension of the knee joint

The soleus muscle __________ the foot at the ankle and is innervated by the __________.

Flexes; Tibial Nerve

The soleus muscle shares an insertion with the __________.

Gastrocnemius Muscle

The prime mover of hip extension is the __________.

Gluteus maximus

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

The majority of the fibers of the gluteus maximus insert onto the __________.

Iliotibial Tract

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 than precision

Because of its attachments, the ____________can both extend the knee and flex the hip.

Rectus femoris

Which muscle originates at the anterior superior iliac spine and inserts near the tibial tuberosity?

Sartorius

Which of the following muscles belongs to the group known as "hamstrings"?

Semitendinosus, Biceps femoris, Semimembranosus,

The gluteus medius muscle is innervated by the __________.

Superior Gluteal Nerve

The gracilis muscle is part of the adductor group of muscles that move the thigh.

True

The medial muscles of the hip joint that insert on the linea aspera are the __________.

adductor magnus, adductor brevis, and adductor longus

Which of the following is not true of the deep fascia of the leg?

an insertion for the majority of lower leg muscles

The origins of the lateral head of the gastrocnemius muscle are the __________.

lateral condyle and posterior surface of the femur

The origin of the rectus femoris is the ____________.

Anterior Inferior Iliac Spine

The origin of the Sartorius muscle is from the __________ spine.

Anterior Superior Iliac Spine

The vastus lateralis is innervated by the __________.

Femoral Nerve

The lateral rotators act on the __________.

Femur

Eversion of the foot is a function of the __________.

Fibularis Longus The fibularis longus plantar flexes and everts the foot. Other muscles that also evert the foot include the fibularis tertius and the fibularis brevis.

The flexor hallucis longus muscle originates on the __________.

Interosseous membrane

The actions of the muscles that cross the hip do not include __________.

Inversion

The adductor magnus, longus, and brevis muscles of the thigh all insert on the ________.

Linea Aspera of the Femur

An insertion of the fibularis longus is the __________.

Medial Cuneiform

To allow for flexion, the __________ unlocks the knee joint.

Popliteus

The semitendinosus muscle lies ______________ to the semimembranosus muscle.

Posterior

Biceps femoris is located in the

Posterior Thigh

All fibers of the semimembranosus muscle converge to insert on the __________.

Posterior Tibia

The insertion of the pectineus muscle is __________ and on the __________.

Posterior; femur

Which of the following is true of the adductor group of muscles in the thigh?

They contract to cause motions that oppose the gluteal group.

Muscles that act on the knee joint form most of the mass of the __________.

Thigh

Which powerful hip flexors originate alongside the iliac fossa and the inferior thoracic and lumbar vertebrae?

iliopsoas group of the thigh

The hamstring muscles originate on the __________.

ischial tuberosity of the hip bone

The psoas major muscle inserts at the ________.

lesser trochanter

Part complete The two muscles that insert on the fifth phalanx or on the fifth metatarsal are the __________.

extensor digitorum longus and fibularis tertius

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

The rectus femoris muscle extends the leg at the __________.

Knee

The tensor fasciae latae stabilizes the hip joint and the __________ joint.

Knee

Both the Psoas major muscle and iliacus muscle insert on the __________.

Lesser trochanter of the femus

The origin that the vastus medialis muscle shares with the vastus lateralis is the __________

Linea Aspera of the Femur

The piriformis originates on the __________ and inserts on the __________.

O: sacrum; I: greater trochanter of the femur

The extensor hallucis longus muscle inserts on digit __________.

One

The most powerful movement at the ankle joint is __________, and the ________ is one of the prime movers of this movement.

Plantar flexion; gastrocnemius

The flexor hallucis longus muscle originates from the __________.

Posterior surface of the fibular shaft

The anterior muscles of the thigh that originate on the os coxae are __________.

sartorius; rectus femoris

The posterior surface of the tibial shaft is __________.

the origin of the flexor digitorum longus

Considering the location of the insertion of the semitendinosus, it would be correct to say that __________.

the semitendinosus causes flexion at the knee and stabilizes the joint

Knee extensors, known as the quadriceps femoris, include the ________.

three vastus muscles and the rectus femoris muscle

The tibialis posterior muscle originates at which three locations?

tibia, fibula, and interosseous membrane

The semimembranosus __________ the thigh at the hip and __________ the leg at the knee.

Extends; Flexes

The gluteus maximus is the most powerful muscle during __________.

Extension

Both heads of the biceps femoris muscle __________.

Flex the leg at the knee

Which of the following muscles does NOT need to contract in order for a person to stand?

Flexor carpi radialis

The flexor digitorum longus muscle is innervated by the __________.

Tibial Nerve

The gastrocnemius muscle is innervated by the __________.

Tibial Nerve

The semitendinosus muscle is innervated by the __________ nerve.

Tibial Nerve (Sciatic)

The prime mover of dorsiflexion is the __________.

Tibialis Anterior

The gastrocnemius muscle originates from the femoral condyles.

True