Exam 3 Anatomical Kinesiology

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Which of the following structures originates both on the ischial tuberosity as well as the lower half of the linea aspera and lateral condyloid ridge?

Biceps Femoris

Which of the following muscles externally rotates the lower leg?

Biceps femoris

____ is a condition arising when the connective tissue designed to keep a tendon close to a bone ruptures, resulting in the tendon pulling away from the bone during a contraction.

Bowstringing

Which nerve plexus innervates the wrist and hand?

Brachial

Which of the following muscles performs extension of the index finger?

Extensor Indicis

Which of the following structures is the largest muscle In the body

Gluteus Maximus

Which of the following structures contributes to hip adduction?

Gracilis

The tendons of which three muscles insert at the anteromedial aspect of the proximal tibia, below the level of the tibial tuberosity?

Gracilis Semitendinosus Sartorius

The ___ is the largest segement of the pelvic bone

Ilium

In the space below, write in the origin, insertion, and action of the gluteus medius

O: I: A:

In the space below, write in the origin, insertion, and action of the adductor longus

O: I: A: Adduction

Which of the following muscles does not act not he Acetabulofemoral joint?

Psoas Minor

Which muscle group functions as a decelerator when an athlete needs to change direction or when landing from a jump?

Quadriceps

In the space below, write the anatomical name of the wrist

Radiocarpal Joint

In the space below, write the names of all 7 biarticular muscles which act on the hip and knee

Sartorius Tensor Fascia Latae Rectus femoris Semitendinosus Semimembranosus Biecps Femoris Gracilus

This carpal is most often fractured due to severe wrist hypertension related to falling on an outstretched hand

Scaphoid

The ____ innervates the hip and pelvic girdle

The Lumbosacral Plexus

The ____ serves as the insertion point for all of the quadriceps muscles

Tibial tuberosity

Write the anatomical name and classification of the 3 joints found in the hip and pelvis

Tibiofemoral Tibiofibular

The iliotibial tract of the tensor fasciae latar inserts on Gerdy's Tubercle

True

The tibiofemoral joint is the largest joint in the body

True

Which of the following is the largest muscle in the quadriceps group?

Vastus Lateralis

In the space below, write the names of the two muscles collectively known as the iliopsoas

iliac + psoas major

Muscles that flex the knee include all of the following except

quadratic femoris

The most common serious knee ligament injury involves the ____.

Anterior cruciate ligament

The iliopsoas is located ____ and performs ____ of the hip joint

Anteriorly; Flexion

Which of the following is not correct regarding menisci in the knee joint?

Attached to the distal femur

During hip extension, which end of the semitendinosus is more stable, thus acting as the origin?

Distal

Muscles that ___ the wrist and fingers often originate on the lateral epicondyle of the humerus

Extend

The wrist has more abduction range of motion than the adduction range of motion

False

Which of the following structures does not articulate with the femus?

Fibula

Which of the collateral ligaments supporting the knee is less often injured as well as being physically smaller than the other?

Fibular collateral ligament (Lateral)

Which of the following muscles performs flexion of the thumb?

Flexor Pollicis Longus

Which of the following muscles performs adduction of the wrist?

Flexor carpi ulnaris

In the space below, provide the origin, insertion, and action of the Vastus Intermedius

O: I: A: Extension of the knee, flexion of the hip

In the space below, provide the origin, insertion, & action of the Sartorius

O: I: A: Flexion of hip

In the space below, provide the origin, insertion & action of the Popliteus

O: I: A: Flexion of hip and knee

In the space below, write the origin, insertion and action of the flexor digitorum profundus

O: I: A:

In the space below, write in the origin, insertion, and action of the Flexor Carpi Radialis

O: Medial epicondyle of humerus I: Base of 2nd and 3rd metacarpal A: Flexion of wrist and abduction

In the space below, write the origin, insertion and action of the extensor carpi radials brevis

O: lateral epicondyle of humerus I: A: Extension of wrist abduction

Approximately 14%of humans do not have this muscle

Palmaris Longus

EXTRA CREDIT: What is the anatomical name for tendinous expansion?

Pes anserinus

In the space below, write the names of the 6 external rotators

Piriformis Gemellus Inferior Gemellus Superior Obturator externus Obturator Internus Quadratis Femoris

In the space below, write the name of the vestigial remains of embryonic tissue which can be irritated during tibiofemoral movement

Plica

The vastus medialis provides a ____ pull on the patella when contradicting concentrically

Superomeidal

Individuals with higher Q angles are more susceptible to knee injuries

True

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

True


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