BTEC Sport - Skeletal System Review Practice Test.
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Course
BTEC
Institution
BTEC
BTEC Sport - Skeletal System Review Practice Test.
What is an osteoblast? - CORRECT ANSWER - growth & repair = bone remodelling
- Bring calcium to the bone
- osteoblast activity inc when exercising (heavy resistance)
= bones will become more dense + stronger
- reduces osteoporosis
What is...
- support of muscle attachment e.g. erector spinae attaching to sacrum
- other e.g. = patella
Sesamoid bones - CORRECT ANSWER - Usually found in a tendon or muscle = protection
- provide smooth surface for tendons to slide over
= inc movement at joint
- E.g Patella + phalanges
List the type of joints used at the elbow and wrist + articulating bones + movement produced - CORRECT
ANSWER - Elbow -> Hinge -> Humerus + Radius + ulna -> flexion + extension
- Wrist -> Gliding -> Humerus, radius, carpals (ulna not a part of wrist) -> flexion, extension, adduction,
abduction
Anterior - CORRECT ANSWER To the front
Posterior - CORRECT ANSWER To the behind
Medial - CORRECT ANSWER Towards the midline
Lateral - CORRECT ANSWER Away from the midline
Proximal - CORRECT ANSWER Near to root (origin) of body e.g Proximal of the arm is the shoulder
Distal - CORRECT ANSWER Away from the root E.g Hand
What are the names, how many discs each of them have, and order of how the vertebrae run? -
CORRECT ANSWER - Cervical (7)
- Thoracic (12)
- Lumbar (5)
- Sacrum (5)
- Coccyx (4)
What is the function of the cervical section of the spinal column? - CORRECT ANSWER support the
weight of the head
What are the first 2 of the vertebrae in the cervical vertebrae called? What do they do? - CORRECT
ANSWER - Atlas (C1) & Axis (C2)
- form a pivot joint = allows head + neck to move side to side
= smallest + most vulnerable in vertebrae column
What is the function of the thoracic section of the spinal column? - CORRECT ANSWER Allows the
attachment of the ribs
What is the function of the lumbar section of the spinal column? - CORRECT ANSWER - Largest and
strongest
- allow for lateral movement + muscle attachment
What is the function of the sacrum section of the spinal column? (aka sacral vertebrae) - CORRECT
ANSWER - FUSED allowing the support of upper body weight
- (forms back wall of pelvic girdle + sitting between 2 hip bones) (just remember 1st point)
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