07 May WHAT IS THE ACTION OF MUSCLE C WHEN RAISING THE HAND ABOVE THE HEAD?
Name the joints at which forearm supination occurs, name the two muscles primarily responsible for this movement and give the nerve supply of each.
b. Complete this table by identifying the letter on the forearm diagram below corresponding to the muscle primarily responsible for producing ulnar deviation adduction of the wrist. Also give the name of the muscle, its site of origin on the humerus and the name of the nerve supplying it.
Letter
Name of muscle
Site of origin
Nerve supply
Question 3
a. Identify muscle A on this diagram.
b. Name the main action of muscle A
1 mark
c. Name the bony structure and the ligament under which the tendon of muscle A runs.
d. Identify muscle B
a. Name the main action of muscle B
b. Name the nerve supplying muscle B
c. Identify muscle C
d. What is the action of muscle C when raising the hand above the head?
Question 4
(a) the bony region that has fractured (arrow)
(b) the nerve and artery at risk of damage by a fracture here
(c) the muscle(s) that would be affected by nerve damage at the site indicated by the arrow and the shoulder movement primarily affected
(d) joint A
What prevents upward displacement of bone B at joint A?
A
B
Question 5
(a) bones E and D in this diagram of the carpal tunnel
(b) tendon C and describe its function
(c) tendon B and describe its function
What functional deficits would occur if nerve A was compressed at this site?
Question 6
In the following table name the muscles of the thigh that cross the hip but do not attach to the femur. What are their functions at the hip?
muscle function
Question 7
Comment on the innervation of the adductor magnus muscle, and its location in the compartments of the thigh.
Question 8
In the spaces underneath, name the following:
? the muscle that extends and laterally rotates the hip
? the nerve that, if injured, would lead to weakness in both the anterior and lateral compartments of the leg
? the ligament that prevents adduction of the knee
? a muscle that plantarflexes and everts
? the femoral attachment of the main hip abductors
? the structure that separates the anterior and posterior compartments in the leg
? the distal attachment of biceps femoris
? a hip flexor muscle that acts only on the hip
? the muscle supplied directly by the common fibular nerve
? the ankle ligament attaching to the navicular
Question 9
Draw the collateral ligaments on the diagram of the knee above, with labels, and state the movement that each ligament restrains.
Question 10
In the following table list two muscles that can plantarflex the ankle, but are supplied by different nerves.
muscle nerve supply
(b) In the following table list the movements of the ankle joint in the coronal plane (not necessarily normal), and for each movement name a ligament that prevents this movement.
movement
ligament
Question 11
In the following diagram, name the abdominal muscles represented by arrows A and B. What are the functions of these muscles? Name the other abdominal muscle layer not included here, and comment on its ability to rotate the trunk.
Muscle A:
Function:
Muscle B:
Function:
Other muscle:
Comment:
Question 12
Name the following bony features indicated on the diagram (above):
A:
B:
C:
What is feature D? What is the significance of this feature?
Name the ligaments found in the following positions:
E:
F:
Indicate on the diagram the positions of the following:
G – zygapophysial joint
H – transverse process
Question 13
Name the joints associated with the C1 vertebra and the movements available
Question 14
In the following table list three (3) muscles supplied by the facial nerve, and state their functions.
muscle
functions
Question 15
In the following table list the muscles of mastication, and their functions.
muscle functions
Question 16
Comment on two of the following three statements
7 marks each = 14 marks
(a) for the scapula to rotate, the clavicle must also move.
(b) in walking, the importance of the plantarflexors is not to cause plantarflexion.
(c) the only transverse/horizontal plane rotation available in the vertebral column is in the thoracic region.
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