1.
Origin: posterior surface of the lateral condyle of femur.Insertion: upper posterior medial surface of tibia.
Correct Answer
C. Popliteus
Explanation
The correct answer is popliteus. The popliteus muscle originates from the posterior surface of the lateral condyle of the femur and inserts into the upper posterior medial surface of the tibia. This muscle is responsible for unlocking the knee joint by internally rotating the tibia. It also helps to stabilize the knee joint and prevent excessive rotation during movements such as walking and running.
2.
Origin: Anterior superior iliac spineInsertion: Anterior midial condyle of tibia
Correct Answer
A. Sartorius
Explanation
The correct answer is sartorius. The sartorius muscle originates from the anterior superior iliac spine and inserts into the anterior medial condyle of the tibia. This muscle is responsible for flexing, abducting, and laterally rotating the hip joint. It also flexes the knee joint. The other muscles listed do not have the same origin and insertion points as the sartorius muscle.
3.
Origin: Upper two thirds of anterior surface of femurInesrtion: Upper border of patella; patellar tendon to tibial tuberosity
Correct Answer
D. Vastus intermedius
Explanation
The correct answer is vastus intermedius. The vastus intermedius is a muscle located in the anterior thigh. It originates from the upper two thirds of the anterior surface of the femur and inserts into the upper border of the patella and the patellar tendon to the tibial tuberosity. This muscle is responsible for extending the leg at the knee joint.
4.
The quadriceps muscle group consists of 4 muscles
Correct Answer
A. True
Explanation
The quadriceps muscle group consists of four muscles, namely the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. These muscles are located in the front of the thigh and work together to extend the leg at the knee joint. Therefore, the statement "The quadriceps muscle group consists of 4 muscles" is true.
5.
Origin: Ischial tuberosity; lower half of linea aspera; lateral conyloid ridgeInsertion: lateral condyle of tibia; head of fibula
Correct Answer
C. Biceps femoris
Explanation
The biceps femoris is a muscle that originates from the ischial tuberosity and the lower half of the linea aspera, as well as the lateral conyloid ridge. It inserts into the lateral condyle of the tibia and the head of the fibula. This muscle is responsible for flexing the knee joint and extending the hip joint.
6.
Origin: Ishial tuberosityInsertion: Upper anterior medial surface of tibia
Correct Answer
A. Semiteninosus
Explanation
The semitendinosus muscle originates from the ischial tuberosity and inserts into the upper anterior medial surface of the tibia. This muscle is responsible for flexing the knee joint and extending the hip joint. It is one of the hamstring muscles located at the back of the thigh.
7.
Origin: Intertrochanteric line, Anterior and inferior borders of the greater trochanter; upper half of linea aspera; entire lateral intermuscular septumInsertion: Lateral border of patella; Patellar tendon to the tibial tuberosity
Correct Answer
A. Vastus Lateralis
Explanation
The correct answer is vastus Lateralis because it originates from the intertrochanteric line, anterior and inferior borders of the greater trochanter, upper half of linea aspera, and the entire lateral intermuscular septum. It inserts into the lateral border of the patella and the patellar tendon to the tibial tuberosity. This muscle is responsible for extending the knee joint and is one of the four muscles that make up the quadriceps femoris group.
8.
Origin: Lateral surface of ilium below the crest; superior aspect of anterior gluteal lineInsertion: Posterior and middle surfaces of the greater trochanter of femur
Correct Answer
C. Gluteus Medius
Explanation
The gluteus medius muscle originates from the lateral surface of the ilium below the crest and inserts into the posterior and middle surfaces of the greater trochanter of the femur. This muscle is responsible for abduction and medial rotation of the hip joint.
9.
Origin: Space 1 inch wide on front of pubis above the crestInsertion: gluteal tuberosity
Correct Answer
B. Pectineus
Explanation
The pectineus muscle originates from a space 1 inch wide on the front of the pubis above the crest and inserts into the gluteal tuberosity. This muscle is responsible for flexion and adduction of the hip joint.
10.
What is the primary action of the Vastus Lateralis
Correct Answer
D. Knee extension, slight internal rotation
Explanation
The primary action of the Vastus Lateralis is knee extension, which means it is responsible for straightening the knee joint. Additionally, it also contributes to slight internal rotation of the knee.
11.
Origin: Lower borders of the transverse processes of lumbar; sides of the bodies of the last thoracic and all lumbar vertebrae; inner surface of the iliumInsertion: Pectineal line; lesser trochanter of femur
Correct Answer
B. Iliopsoas
Explanation
The iliopsoas muscle originates from the lower borders of the transverse processes of lumbar vertebrae, the sides of the bodies of the last thoracic vertebrae, and all lumbar vertebrae. It also originates from the inner surface of the ilium. The muscle inserts into the pectineal line and the lesser trochanter of the femur. Therefore, the correct answer is iliopsoas.
12.
Origin:Edge of entire ramus of the pubis; Ishium and ishial tuberosityInsertion: whole length of linea aspera; Inner condyloid ridge; adductor tubercle
Correct Answer
D. Adductor magnus
Explanation
The correct answer is Adductor magnus. The given information describes the origin and insertion points of different muscles. Among the options provided, only the Adductor magnus matches the given description. It originates from the edge of the entire ramus of the pubis, ischium, and ischial tuberosity, and inserts along the whole length of the linea aspera, inner condyloid ridge, and adductor tubercle.
13.
What is the primary action of the Iliopsoas
Correct Answer
C. Flexion of hip; external rotation of femur
Explanation
The primary action of the Iliopsoas is flexion of the hip and external rotation of the femur. This means that the muscle is responsible for bending the hip joint and rotating the thigh bone outward.
14.
Origin: whole length of linea aspera and medial condyloid ridgeInsertion: Medial half of the upper border of the patella; Patellar tendon to the tibial tuberosity
Correct Answer
B. Vastus medialis
Explanation
The correct answer is vastus medialis. The explanation for this is that the origin of the vastus medialis is the whole length of the linea aspera and medial condyloid ridge, and its insertion is the medial half of the upper border of the patella and the patellar tendon to the tibial tuberosity. This matches the given information in the question.
15.
Origin: anterior pubis just below its crestInsertion: Middle third of linea aspera
Correct Answer
B. Adductor Longus
Explanation
The correct answer is Adductor Longus. The given information describes the origin and insertion points of the muscle. The Adductor Longus muscle originates from the anterior pubis just below its crest and inserts into the middle third of the linea aspera. The other options, Vastus Medialis, Adductor Brevis, and Adductor Magnus, have different origin and insertion points, making Adductor Longus the correct answer.
16.
Origin: Lateral surface of ilium; inferior aspect of anterior gluteal lineInsertion: Anterior surface of greater trochanter of femur
Correct Answer
C. Gluteus minimus
Explanation
The correct answer is gluteus minimus. The given information describes the origin and insertion points of a muscle, which are the lateral surface of the ilium and the anterior surface of the greater trochanter of the femur, respectively. The gluteus minimus is a muscle that fits this description, as it originates from the lateral surface of the ilium and inserts on the anterior surface of the greater trochanter of the femur. Therefore, it is the most appropriate option among the given choices.
17.
Origin: Middle third of posterior surface of tibiaInsertion: Base of distal phalanx of each of four lesser toes
Correct Answer
D. Flexor digitorum longus
Explanation
The given answer, flexor digitorum longus, is the correct answer because it is the muscle that originates from the middle third of the posterior surface of the tibia and inserts into the base of the distal phalanx of each of the four lesser toes. The other options, extensor digitorum longus, flexor hallucis longus, and extensor hallucis longus, do not match the given origin and insertion descriptions.
18.
Origin: Anterior iliac crest; surface of the ilium below the spineInsertion: Anterolateral tibial condyle
Correct Answer
C. Tensor Fasciae Latae
Explanation
The correct answer is Tensor Fasciae Latae because it originates from the anterior iliac crest and inserts into the anterolateral tibial condyle. The other muscles listed have different origins and insertions. The Adductor Longus originates from the pubis and inserts into the linea aspera of the femur. The Gluteus Minimus originates from the ilium and inserts into the greater trochanter of the femur. The Gracilis originates from the pubis and inserts into the tibia. Therefore, the Tensor Fasciae Latae is the only muscle that matches the given origin and insertion.
19.
Origin: Anterior medial edge of descending ramus of pubisInsertion: Anterior medial surface of tibia below the condyle
Correct Answer
C. Gracilis
Explanation
The correct answer is Gracilis. The given information describes the origin and insertion points of a muscle. The muscle that fits these points is the Gracilis muscle, which originates from the anterior medial edge of the descending ramus of the pubis and inserts into the anterior medial surface of the tibia below the condyle.
20.
The primary action of Tensor Fasciae Latae is hip abduction and hip flexion
Correct Answer
A. True
Explanation
The primary action of the Tensor Fasciae Latae muscle is indeed hip abduction and hip flexion. This muscle is located on the lateral side of the hip and plays a crucial role in stabilizing the hip joint and assisting in movements such as lifting the leg to the side (abduction) and bending the hip (flexion). Therefore, the statement is correct.
21.
Origin: Posterior one fourth of the crest of ilium; Posterior surface of the sacrum and coccyx; Fascia of the lumbar areaInsertion: Oblique ridge on lateral surface of the greater trochanter and linea aspera
Correct Answer
A. Gluteus Maximus
Explanation
The gluteus maximus is a large muscle located in the buttocks. It originates from the posterior one fourth of the crest of the ilium, the posterior surface of the sacrum and coccyx, and the fascia of the lumbar area. It inserts into the oblique ridge on the lateral surface of the greater trochanter and the linea aspera. This muscle is responsible for hip extension, thigh abduction, and thigh external rotation. It is the largest and most superficial muscle in the gluteal region, and it gives the buttocks their rounded shape.
22.
Origin: Lateral condyle of tibia; head of fibulaInsertion: Tops of middle and distal phalanges of four lesser toes
Correct Answer
D. Extensor Digitorum Longus
Explanation
The given answer, Extensor Digitorum Longus, is the correct answer because it is the only muscle listed that originates from the lateral condyle of the tibia and inserts into the tops of the middle and distal phalanges of the four lesser toes. The other muscles listed either have different origins or insertions.
23.
How many external rotator muscles are thier?
Correct Answer
B. 5
Explanation
There are five external rotator muscles in the body. These muscles are responsible for rotating the limbs away from the midline of the body. While the question does not specify which body part or region it is referring to, it can be assumed that it is referring to the major external rotator muscles in the hip region. These muscles include the piriformis, gemellus superior, gemellus inferior, obturator internus, and quadratus femoris.
24.
Origin: Middle two-thirds of posterior surface of fibulaInsertion: Base of distal phalanx of large toe, undersurface
Correct Answer
B. Flexor Hallucis Longus
Explanation
The correct answer is Flexor Hallucis Longus. This muscle originates from the middle two-thirds of the posterior surface of the fibula and inserts at the base of the distal phalanx of the large toe, undersurface. It is responsible for flexing the big toe, allowing it to curl downward.
25.
Origin: Posterior surface of upper half of interosseous membrane; adjacent surfaces of tibia and fibulaInsertion: Lower inner surfaces of navicular and cuneiform bones; Bases of second, third, fourth, and fifth metatarsal bones
Correct Answer
A. Tibialis Posterior
Explanation
The correct answer is Tibialis Posterior because the provided information describes the origin and insertion points of the muscle. The tibialis posterior muscle originates from the posterior surface of the upper half of the interosseous membrane and adjacent surfaces of the tibia and fibula. It inserts into the lower inner surfaces of the navicular and cuneiform bones, as well as the bases of the second, third, fourth, and fifth metatarsal bones. None of the other options mentioned match these origin and insertion points.
26.
Origin: Posterior surfaces of both condyles of femurInsertion: Posterior surface of calcaneus
Correct Answer
D. Gastrocnemius
Explanation
The correct answer is Gastrocnemius because it originates from the posterior surfaces of both condyles of the femur and inserts into the posterior surface of the calcaneus. The other muscles listed do not have the same origin and insertion points as the Gastrocnemius.
27.
Origin: Front of the interior pubic ramus just below the origin of the longusInsertion: lower two thirds of the pectineal line of the femur; upper half of the medial lip of the linea aspera
Correct Answer
B. Adductor Brevis
Explanation
The correct answer is Adductor Brevis. The adductor brevis muscle originates from the front of the interior pubic ramus just below the origin of the longus muscle. It inserts into the lower two thirds of the pectineal line of the femur and the upper half of the medial lip of the linea aspera. This muscle is responsible for adducting the thigh, or bringing it closer to the midline of the body.
28.
Origin: Middle two thirds of medial surface of anterior fibulaInsertion: top of base of distal phalanx of great toe
Correct Answer
B. Extensor hallucis longus
Explanation
The correct answer is extensor hallucis longus. This muscle originates from the middle two thirds of the medial surface of the anterior fibula and inserts at the top of the base of the distal phalanx of the great toe. It is responsible for extending (dorsiflexing) the big toe.
29.
Origin: Ischial tuberosityInsertion:Posterior medial surface of the medial tibial condyle
Correct Answer
C. Semimembranosus
Explanation
The correct answer is semimembranosus. The semimembranosus muscle originates from the ischial tuberosity and inserts into the posterior medial surface of the medial tibial condyle. It is one of the hamstring muscles located at the back of the thigh.
30.
Origin: Lower two thirds of lateral surface of fibulaInsertion: tuberosity of fith metatarsal bone
Correct Answer
A. Peroneus Brevis
Explanation
The correct answer is Peroneus Brevis. The Peroneus Brevis muscle originates from the lower two-thirds of the lateral surface of the fibula and inserts into the tuberosity of the fifth metatarsal bone. This muscle is responsible for eversion of the foot and assists in plantar flexion. It also helps in stabilizing the ankle joint during walking and running.
31.
Origin: Upper two thirds of lateral surface of tibiaInsertion: inner surface of medial cuneiform; first metatarsal bone
Correct Answer
C. Tibialis anterior
Explanation
The correct answer is tibialis anterior. The given information describes the origin and insertion points of a muscle. The tibialis anterior muscle originates from the upper two-thirds of the lateral surface of the tibia and inserts into the inner surface of the medial cuneiform and the first metatarsal bone. This muscle is responsible for dorsiflexion and inversion of the foot.
32.
Origin: Proximal two-thirds of posterior surface of tibia and fibulaInsertion: posterior surface of calcaneus
Correct Answer
B. Soleus
Explanation
The soleus muscle originates from the proximal two-thirds of the posterior surface of the tibia and fibula, and inserts into the posterior surface of the calcaneus. This muscle is responsible for plantar flexion of the foot, which means it helps to point the toes downward. The other muscles listed, such as the gastrocnemius, peroneus brevis, and flexor digitorum longus, have different origins and insertions and perform different functions in the lower leg and foot.
33.
Origin: Anterior inferior iliac spine; posterior groove above the acetabulumInsertion: Superior aspect of the patella and patellar tendon to the tibial tuberosity
Correct Answer
A. Rectus femoris
Explanation
The correct answer is Rectus femoris. The rectus femoris muscle originates from the anterior inferior iliac spine and inserts into the superior aspect of the patella and the patellar tendon to the tibial tuberosity. This muscle is one of the four quadriceps muscles and is responsible for extending the knee joint and flexing the hip joint.