Week 4

Question 1

1. When contracting, the abdominal muscles you;

a) extends the vertebral column
b) flexes the vertebral column
c) extends the hip joint
d) laterally flexes and rotates the
vertebral column

Answer 1

b) flexes the vertebral column

Question 2

2. Motor signals that initiate contraction of the Vastus medialis are carried along neurones
of which division of the nervous system?
a) autonomic
b) sensory
c) sympathetic
d) somatic

Answer 2

d) somatic

Question 3

4. A muscle which could act as an antagonist during flexion of the knee joint is the
   a) Gluteus maximus
   b) Gastrocnemius
   c) Rectus femoris
   d) Trapezius

Answer 3

c) rectus femoris

Question 4

5. Which of the following is/are characteristics of cardiac muscle?
6. contractions modified by the autonomic nervous system
7. spontaneous activity
8. striations
9. spindle-shaped cells
10. more than one nucleus can be found in each cell

Answer 4

a) 1, 2, 3 & 5 only

Question 5

6. The connective tissue sheath that surrounds individual skeletal muscle fibres is known
as?
a) sarcolemma
b) epimysium
c) endomysium
d) perimysium

Answer 5

c) endomysium

Question 6

7. Which of the following muscles does not have an origin on the scapula?
   a) Biceps brachii
   b) Pectoralis major
   c) Supraspinatus
   d) Triceps brachii

Answer 6

b) pectoralis major

Question 7

8. The __________ muscle can act as a prime mover during ____________ .
   a) Pectoralis major / flexion of the shoulder joint
   b) Gluteus maximus / flexion of the hip joint
   c) Trapezius / flexion of the cervical region of the vertebral column
   e) Deltoids / adduction of the shoulder joint

Answer 7

a) pectoralis major / flexion of the shoulder joint

Question 8

9. A myofibril
   a) forms a motor end plate with motor neurones
   b) contains muscle fibres
   c) is composed of multiple sarcomeres
   d) is characterised by several nuclei at the outer edges

Answer 8

c) composed of multiple sarcomeres

Question 9

10. A major insertion point for the quadriceps muscle group is the
    a) Greater trochanter of the femur
    b) Lateral epicondyle of the femur
    c) Medial malleolus of the tibia
    d) Tibial tuberosity of the tibia

Answer 9

d) tibial tuberosity of the tibia