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EXSC 314 Biomechanics
Exam 04- Take Home Exam
Fall 2016
Fill out the information on the Exam Data Sheet:
A.
B.
C.
Print your First Name, Last Name, and your ID# number by “Name” on
the answer sheet.
Print EXSC 314 Biomechanics – Bogle by “Subject” on the answer sheet.
Print Date and Hour in the appropriate blanks.
For the Multiple Choices questions, there is only one correct response. If there are
multiple correct choices, select the letter that has an inclusive statement on all the correct
choices (ex. All of the above, both “A” and “B” are correct, etc.).
For True / False, Select “A” for True and “B” for False.
You should fill in your answer completely, and your answer is darkened sufficiently.
Look at the example on the Exam Date Sheet.
This Take-Home Exam is due on Friday, 09 December 2016 @ 10:00
hrs. This is an open book / open note exam. Only answers placed on the
green answer “bubble” sheet will be accepted.
This exam is worth 80 points.
1) The bone(s) of the lower arm that articulate to form a joint:
a. is the ulna
b. is the radius
c. is the humerus
d. are the ulna and the radius
e. are the ulna and the humerus
2) Which of the following ligaments stabilize the medial elbow joint?
a. Radial collateral ligament
b. Ulnar collateral ligament
c. Biceps ligament
d. Both “a” and “b” are correct
e. None of the above are correct
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3) Which of the following bones have a styloid process at the distal end of the bone?
a. radius
b. ulna
c. humerus
d. Both the radius and the ulna have a styloid process
4) The movements of the radioulnar joint can be clearly distinguished from the
movements of the wrist and elbow joint.
a. True
b. False
5) Which of the following are true?
a. The radial notch of the ulna articulates with the radial tuberosity of the
radius
b. The coronoid fossa is found on the posterior region of the humerus
c. The trochlea of the humerus articulates with the trochlear notch of the ulna
d. None of the above are true
6) Where is the location of the annular ligament?
a. Sternoclavicular joint
b. The medial side of the elbow joint
c. The lateral aspect of the radioulnar joint and around the radial head region
d. Over the olecranon fossa
e. The annular ligament is not located in any or the regions described above
7) The superior region of the radial head is inferior to the capitulum of the humerus.
a. True
b. False
8) The radial head and the radial notch of the ulna form a hinge joint
a. True
b. False
9) The elbow joint is a pivot joint
a. True
b. False
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10) Muscle Origin = Distal half of the anterior shaft of the humerus; Action =
flexion of the elbow; Muscle =
a. Brachialis
b. Biceps Brachii, long head
c. Biceps Brachii, short head
d. Brachoradialis
11) Which of the following muscles can supinate the forearm?.
a. Biceps Brachii
b. Brachialis
c. Triceps Brachii
d. Supinator Muscle
e. “a” and “d” can both supinate the forearm
12) Which of the following has its origin on the medial humerus?
a. Pronator Teres
b. Supinator Muscle
c. Pronator Quadratus
d. Aconeus
e. None of the above have its origin on the medial humerus
13) The action of the long head of the triceps brachii can assist in adducting the arm
a. True
b. False
14) The insertion of the triceps brachii is the olecranon process of the ulna
a. True
b. False
15) The origin of the long head of the triceps brachii is just medial to the glenoid
fossa of the scapula (infraglenoid tubercle).
a. True
b. False
16) The long head, lateral head, and the medial head of the triceps brachii all extend
the elbow (lower arm).
a. True
b. False
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17) Which of the following muscles, when contracted, causes any degree of pronation
of the lower arm?
a.
b.
c.
d.
e.
Brachioradialis
Pronator teres
Pronator Quadratus
Only “b” and “c” pronate the lower arm
‘a’, ‘b’, and ‘c’ all pronate the lower arm
18) The supinator muscle has its origin on the medial side of the distal humerus.
a. True
b. False
19) The supinator muscle has points of origin on both the humerus and the radius
a. True
b. False
20) The supinator muscle can horizontally abduct, and supinate the humerus.
a. True
b. False
21) The pronator quadratus muscle can assist the aconeus muscle in extending the
forearm.
a. True
b. False
22) Muscle Origin = distal fourth of the anterior side of the ulna Muscle =
a.
b.
c.
d.
e.
Supinator muscle
Pronator Quadratus
Infraspinatus
Aconeus
Pronator Teres
23) Muscle Action= pronation of the forearm, weak flexion of the elbow. Insertion =
middle third of the lateral surface of the radius. Muscle =
a.
b.
c.
d.
Pronator Teres
Pronator Quadratus
Aconeus
None of the above
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24) Which of the following muscles can both flex and extend the elbow?
a.
b.
c.
d.
e.
Brachialis
Teres Major
Brachioradialis
Triceps Brachii
None of the above
25) The biceps, brachialis, and brachioradialis can all flex the elbow.
a. True
b. False
26) The biceps and the triceps have points of origin on the scapula.
a. True
b. False
27) Which of the following muscles are agonists?
a.
b.
c.
d.
e.
Triceps brachii and brachioradialis
Triceps brachii and pronator teres
Triceps brachii and aconeus
Both “a” and “c” are agonist pairs of muscles
None of the muscle parings are agonists
28) Which of the following muscles are antagonists?
a.
b.
c.
d.
e.
Triceps brachii and brachioradialis
Triceps brachii and brachialis
Triceps brachii and aconeus
Both “a” and “b” are antagonist pairs of muscles
None of the muscle parings are antagonist
29) The aconeus muscle extends the elbow.
a. True
b. False
30) The pronator teres has its origin on the medial side of the arm and its insertion on
the lateral side of the arm. This construct is what promotes pronation of the
forearm when the pronator teres contracts.
a. True
b. False
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31) The pronator quadratus muscle is distal to the pronator teres muscle; however,
like the pronator teres muscle, the pronator quadratus has its origin on the medial
side of the arm and its insertion on the lateral side of the arm. This construct is
what promotes pronation of the forearm when the pronator quadratus contracts
a. True
b. False
32) Which of the following muscles have an origin on the humerus?
a.
b.
c.
d.
e.
Pronator Quadratus
Supinator Muscle
Pronator Teres
Aconeus
“b”, “c” and “d” have an origin on the humerus
33) Which of the following muscles can both pronate and supinate the forearm to the
neutral position?
a.
b.
c.
d.
Pronator Teres
Triceps Brachii
Brachioradialis
Pronator Quadratus
34) The ulnar collateral ligament protects the elbow joint from medial laxity (prevents
the elbow from abducting when stressed in physical activity).
a. True
b. False
35) The radial collateral ligament protects the elbow joint from lateral laxity (provides
lateral stability).
a. True
b. False
36) The origin of this muscle is the coracoid process of the scapula and the upper lip
of the glenoid fossa. This muscle is a flexor of the elbow. This muscle is the:
a.
b.
c.
d.
Short head of the biceps brachii
Medial head of the triceps brachii
Aconeus
Brachialis
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37) Which of the following muscles cross the elbow joint and extend the forearm?
a.
b.
c.
d.
Triceps brachii
Brachioradialis
Pronator Teres
Both the triceps and the pronator teres
38) The elbow joint has a synovial capsule.
a. True
b. False
39) Movement of the forearm to the shoulder by bending the elbow to decrease its
angle is called.
a.
b.
c.
d.
supination
horizontal flexion
extension
flexion
40) Radioulnar joint movements include pronation and supination
a. True
b. False
41) The bone(s) which comprise the hip joint are:
a. femur
b. ilium
c. ischium
d. pubis
e. all of the above are bone(s) which comprise the hip joint
42) Which of the following bones comprise the pelvic bone?
a. acetabulum
b. femur
c. ilium
d. Both “a” and “b” are correct
e. None of the above are correct
43) Which of the following is true?
a. The ilium is inferior to the ischium
b. The symphysis pubis is lateral to the ischium
c. The acetabulum is superior to the iliac crest
d. There are two pubic bones that are joined at the symphysis pubis
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44) The ilium has an anterior superior, posterior superior, anterior inferior, and
posterior inferior iliac spines.
a. True
b. False
45) Which of the following are true?
a.
b.
c.
d.
The pelvic bone articulates with the sacrum at the sacroiliac joint
The pelvic bone is four fused bones
The pelvic bone articulates with the coccygeal bones
None of the above are true
46) Where is the location of the pubofemoral ligament?
a. Superior to the iliofemoral ligament
b. Posterior to the ischiofemoral ligament
c. Anterior and medial to the iliofemoral ligament
d. Over the symphysis pubis
e. The pubofemoral ligament is not located in any or the regions described
above
47) The hip joint is an enarthrodial joint and is formed by the femoral head inserted
into the acetabulum of the pelvis.
a. True
b. False
48) The greater trochanter of the femur is superior and lateral of the lesser trochanter.
a. True
b. False
49) During internal rotation of the hip the patella will sometimes move lateral away
from the midline of the body.
a. True
b. False
50) Muscle Origin = Anterior sacrum ,posterior portions of the ischium, and
obturator foramen ; Action = external rotation of the hip ; Muscle =
a. The six deep lateral rotator muscles
b. Semitendinosus
c. Biceps femoris
d. Semimembranosus
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51) Which of the following muscles can flex the hip?
a. Semitendinosus
b. Semimembranosus
c. Gemellus superior
d. Quadratus femoris
e. None of the above can flex the hip
52) Which of the following has its origin on the ischial tuberosity?
a. Semitendinosus
b. Piriformis
c. Gemellus superior
d. Sartorius
e. None of the above has its origin on the ischial tuberosity.
53) The action of the Obturator externus is internal rotation of the femur.
a. True
b. False
54) The insertion of the Gemellus inferior is on the lesser trochanter of the femur.
a. True
b. False
55) The origin of the Semimembranosus is in the same location as the origin of the
Semitendinosus.
a. True
b. False
56) The Semitendinosus, Semimembranosus, and the Biceps femoris all extend the
hip.
a. True
b. False
57) Which of the following muscles, when contracted, causes any degree of external
rotation of the hip?
a.
b.
c.
d.
e.
Piriformis
Pectineus
Gracilis
Only “a” and “b” externally rotate the hip
‘a’, ‘b’, and ‘c’ externally rotate the hip
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58) The Gracilis and the Semitendinosus have both agonist and antagonistic actions.
a. True
b. False
59) The Biceps femoris has points of origin on both the ischium and the femur.
a. True
b. False
60) The Adductor brevis, longus, and magnus all have points of origin on the pubis.
a. True
b. False
61) The Adductor brevis, longus, and magnus all cause external rotation when
contracted.
a. True
b. False
62) Muscle Origin = Anterior pubis just below its crest; Muscle Insertion = middle
third of the linea aspera of the femur. Action =
a.
b.
c.
d.
e.
Internal rotation of the hip
Adduction of the hip
Extension of the hip
External rotation of the hip
“a’, “b”, and “c” are all actions of this muscle
63) Muscle Action= Adduction of the hip, External rotation as the hip adducts,
Extension of the hip. Insertion = Whole length of the linea aspera, inner
condyloid ridge, and adductor tubercle. Muscle =
a.
b.
c.
d.
e.
Pectineus
Gracilis
Adductor Magnus
Adductor Brevis
Adductor Longus
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64) Which of the following muscles can both adduct and abduct the hip?
a.
b.
c.
d.
e.
Gracilis
Pectineus
Semitendinosus
Gemellus inferior
None of the above
65) The Obturator externus, Biceps femoris, Adductor brevis, and Pectineus all
externally rotate the hip.
a. True
b. False
66) Both heads of the biceps femoris originate somewhere on the pelvis.
a. True
b. False
67) Which of the following muscles are hip extensors?
a.
b.
c.
d.
e.
Adductor longus
Adductor brevis
Adductor magnus
Both “a” and “c” are hip extensors
None of above are hip extensors
68) Which of the following have actions that are antagonistic in hip flexion and hip
extension?
a.
b.
c.
d.
e.
Adductor brevis and longus
Adductor brevis and magnus
Semitendinosus and Semimembranosus
Semimembranosus and Obturator externus
None of the above are adductors
69) Which of the following muscles are hip abductors?
a.
b.
c.
d.
Gracilis
Piriformis
Pectineus
None of the above are abductors
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70) Both the Adductor magnus and the Pectineus adduct, externally rotate, and extend
the hip.
a. True
b. False
71) The Adductor brevis and the Pectineus both have origins of the ischium.
a. True
b. False
72) Which of the following muscles has an insertion that is superior to the Adductor
brevis?
a.
b.
c.
d.
e.
Adductor Longus
Semimembranosus
Gracilis
Long Head of the Biceps Femoris
None of the above has an insertion that is superior to the Adductor brevis.
73) Both heads of the Biceps femoris insert only on the fibula.
a. True
b. False
74) The insertion of the Semimembranosus is on the lateral side of the tibia and the
insertion of the long head of the Biceps femoris is on the medial side of the tibia.
a. True
b. False
75) The Semitendinosus, Semimembranosus, and Biceps Femoris are collectively
called the “Hamstring Muscles”.
a. True
b. False
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76) Which of the following muscles is a part of the deep lateral rotator muscles in the
hip?
a.
b.
c.
d.
e.
Psoas major
Ginglymus
Quadratus femoris
Rectus Femoris
Iliacus
77) Movement of the femur in the frontal plane medially toward the midline
a.
b.
c.
d.
Right lateral pelvic rotation
Hip external rotation
Hip Adduction
Hip Diagonal Abduction
78) The posterior movement of the upper pelvis where the iliac crest tilts backward in
the sagittal plane is called lateral pelvic rotation.
a. True
b. False
79) Lateral rotary movement of the femur in the transverse plane around its
longitudinal axis away from the midline.
a.
b.
c.
d.
Right lateral pelvic rotation
Hip Adduction
Hip external rotation
Hip Diagonal Abduction
80) Movement of the femur in a diagonal plane away from the midline of the body is
called posterior pelvic rotation.
a. True
b. False
END OF EXAM
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