Exam 2 Practice

Osteology

100

How many tarsal bones are there? Name 1 

7; calcaneus, talus, navicular, cuboid, 3 cuneiforms 

200

The subtalar joint is made up of the talus and the what? 

Calcaneus 

300

The name of the "line" on the posterior aspect of the femur 

Linea Aspera 

400

The knee joint is a hinge synovial joint created by the articulation between the _____________ and ______________

femoral condyles and tibial condyles 

500

Name the 6 actions that occur at the hip joint 

flexion, extension, abduction, adduction, medial rotation, lateral rotation

Muscle Actions

100

A muscle that crosses anterior to the hip joint produces which action? 

Hip flexion 

200

The superficial muscles of the posterior leg perform which 2 actions? 

Knee flexion, ankle plantar flexion 

300

Name the 4 actions of sartorius

Hip flexion, knee flexion, hip abduction, hip lateral rotation

400

Name the 3 everters of the foot 

Fibularis longus, fibularis brevis, fibularis tertius 

500

There are 4 quadriceps muscles. Name them. Name their actions. 

Rectus femoris (origin: AIIS, insertion: quad tendon)

Vastus lateralis, vastus intermedius, vastus medialis (origin: femur, insertion: quad tendon) 

Muscle Insertion/Origin

100

The tendons of flexor digitorum longus insert here

Distal phalanges digits 2-5

200

The long head of the biceps femoris originates on the _______ and inserts on the ___________

ischial tuberosity, proximal fibula 

300

Name the 3 tendons that join on the medial aspect of the tibia to form the pes anserinus 

Semitendinosus, gracilis, sartorius 

400

There is one foot inverter in the anterior compartment of the leg. Where does this muscle insert?

(Tibialis anterior) medial cuneiform and first metatarsal 

500

There is one muscle in the medial compartment of the thigh that does not follow the compartment rule for origin. Name the muscle and where it originates. 

Obturator externus, external aspect of obturator membrane 

Nerves

100

True or false - the sciatic nerve provides innervation to the gluteal region

False

200

This nerve innervates the anterior compartment of the leg without exception

Deep fibular nerve 

300

A patient has a positive trendelenberg sign with the pelvis tilting downward toward the right. Which nerve was severed and which side? 

Superior Gluteal Nerve - Left side 

400

The common fibular nerve is severed. Which actions are lost entirely? 

Ankle eversion and dorsiflexion

500

Describe the branching pattern of the sciatic nerve as it moves distally down the leg. What compartments do it's terminal branches innervate? 

Sciatic nerve splits into tibial nerve and common fibular nerve. Common fibular nerve splits into the deep fibular (anterior leg) and the superficial fibular nerve (lateral leg)

Blood Flow

100

These two arteries form an anastomosis around the femoral head 

Medial circumflex, lateral circumflex 

200

Name the 3 branches of the popliteal artery 

Genicular branches, anterior tibial artery, posterior tibial artery

300

Name the 3 arteries in the dorsal foot, and the artery they branch off of 

arcuate, dorsal metatarsal, dorsal digital - branching off of dorsals pedis 

400

You are a drop of blood in the dorsal venous arch. You are traveling medially. What is your path back to the heart? 

dorsal venous arch, greater saphenous, femoral, external iliac, common iliac, IVC, right atrium 

500

The lateral plantar artery gives rise to the ________ plantar arch. The medial plantar artery gives rise to the ___________ plantar arch. 

deep, superficial