Ch 8 & 9

Hip flexion refers to the movement of the femur in the frontal plane laterally to the side away from the midline. True False

False

In the context of the pelvic girdle motions, anterior pelvic rotation refers to the anterior movement of the upper pelvis in which the iliac crest tilts forward in the transverse plane. True False

False

The acetabulum inserts onto the femoral head to form the acetabular femoral joint. True False

False

The iliofemoral, or Y, ligament is located posteriorly and prevents hyperextension. True False

False

The lateral collateral ligament is more frequently injured than other knee joint ligaments. True False

False

The quadriceps muscles perform eccentric contractions during accelerating actions. True False

False

The semitendinosus muscle is located laterally and internally rotates the knee. True False

False

The teres ligament is located anteromedially and inferiorly and slightly limits adduction. True False

False

All the three vasti muscles of the quadriceps originate on the proximal femur and insert on the patellar superior pole. True False

True

Distally, the patella serves as a major bony landmark to which all four quadriceps muscles attach and ultimately insert on the tibial tuberosity via the patella tendon. True False

True

Functions of the acetabular femoral joint include weight bearing and locomotion. True False

True

Generally, the hip joint can be abducted in the range of 0 to 35 degrees. True False

True

The hip joint is a ball-and-socket joint that consists of the head of the femur connecting with the acetabulum of the pelvic girdle. True False

True

The medial collateral ligament originates on the medial aspect of the upper medial femoral condyle and inserts on the medial tibial surface. True False

True

The patella serves as a pulley by improving the angle of pull with the result being a greater mechanical advantage for the quadriceps during knee extension. True False

True

The pelvic girdle consists of a right and left pelvic bone joined together posteriorly by the sacrum. True False

True

The pubofemoral ligament is located anteromedially and inferiorly and limits excessive extension and abduction. True False

True

Which of the following is not true regarding the rectus femoris, vastus medialis, vastus intermedius, and vastus lateralis? a) Generally desired to be 25% to 33% stronger than the hamstring group. b) All are superficial and palpable, except the vastus medialis. c) All attach to the patella and then to the tibial tuberosity via the patellar tendon. d) Power may be measured by the vertical jump test

b) All are superficial and palpable, except the vastus medialis.

Which of the following is not correct regarding the knee joint proper? a) Considered by some authorities to be a condyloid type joint b) Sometimes referred to as a trochoginglymus joint because of internal and external rotation occurring when in full extension c) Classified as a ginglymus joint d) Also referred to as the tibiofemoral joint

b) Sometimes referred to as a trochoginglymus joint because of internal and external rotation occurring when in full extension

The Q angle is usually ________ or less for males and ________ or less for females. a) 15; 15 b) 20; 10 c) 10; 20 d) 15; 20

d) 15; 20

Which of the following is not an action of the pectineus muscle? a) Adduction of the hip b) Flexion of the hip c) External rotation of the hip d) Abduction of the hip

d) Abduction of the hip

The femoral condyles articulate with the fibular condyles during flexion of the knee. True False

False

The hamstring muscles function as a decelerator of the knee when decreasing speed to change direction and especially when landing from a jump. True False

False

The semimembranosus muscle is located posteromedially and internally rotates the knee. True False

True

What is the normal quad to hamstring ratio for muscles? a) 3:2 b) 2:3 c) 1:1 d) 4:1

a) 3:2

Which of the following muscles is a two-joint muscle, effective as a hip flexor or as a knee flexor, and is sometimes referred to as the tailor's muscle? a) The adductor magnus muscle b) The sartorius muscle c) The pectineus muscle d) The gluteus minimus muscle

b) The sartorius muscle

The rectus femoris is more powerful in extending the knee when the hip is in ________. a) internal rotation b) extension c) flexion d) external rotation

b) extension

Agonist muscles during hip extension include all of the following except the: a) biceps femoris muscle b) sartorius muscle c) semimembranosus muscle. d) semitendinosus muscle.

b) sartorius muscle

Muscles that flex the knee include all of the following except: a) gracilis b) tensor fascia latte c) sartorius d) biceps femoris

b) tensor fascia latte

The gluteus maximus muscle is stretched in the supine position with full hip flexion to the ipsilateral axilla and then to the contralateral axilla with the knee in ________. a) external rotation b) internal rotation c) flexion d) extension

c) flexion

Which of the following is not true regarding the quadriceps muscle group? a) Serves to extend the knee b) Located in the anterior compartment of the thigh c) Consists of four separate muscles d) Covered by the vastus fascia

d) Covered by the vastus fascia

In the context of the pelvic girdle motions, which of the following terms refers to the movement of the femur in the frontal plane medially toward the midline? a) Hip flexion b) Hip abduction c) Hip extension d) Hip adduction

d) Hip adduction

Which of the following muscles is the LEAST active during normal gait? a) Glute Maximus b) Quadriceps c) Hamstrings d) Rectus Abdominus

d) Rectus Abdominus

Which of the following is considered to be an agonist muscle during hip abduction? a) The semitendinosus muscle b) The rectus femoris muscle c) The sartorius muscle d) The gluteus medius muscle

d) The gluteus medius muscle

The iliopsoas muscle is located ________ and performs ________ of the hip. a) medially; adduction b) posteriorly; extension c) anteriorly; flexion d) laterally; abduction

c) anteriorly; flexion

In the context of the pelvic girdle motions, which of the following statements is true of the right lateral pelvic rotation? a) Either the left pelvis rotates downward or the right pelvis rotates upward. b) It is characterized by a left lateral tilt. c) It is accomplished by right lumbar and lateral flexion left hip abduction in the frontal plane. d) The right pelvis moves inferiorly in relation to the left pelvis in the frontal plane.

d) The right pelvis moves inferiorly in relation to the left pelvis in the frontal plane.

In basketball and soccer, injury to the ________ occurs much more commonly to females than to males. a) posterior cruciate ligament b) medial collateral ligament c) lateral collateral ligament d) anterior cruciate ligament

d) anterior cruciate ligament

The ________ is best stretched by moving the hip into extreme adduction in front of the opposite extremity and then behind it, and weakness in this muscle can result in a Trendelenburg gait. a) biceps femoris muscle b) semimembranosus muscle c) sartorius muscle d) gluteus medius muscle

d) gluteus medius muscle

The vastus lateralis provides a(n) ________ pull on the patella when contracting concentrically. a) superomedial b) inferolateral c) superior d) superolateral

d) superolateral