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Lecture 1

Kinesiology 2241A/B Lecture Notes - Lecture 1: Shoulder Joint, Free Throw, Backstroke

Course Code
Kinesiology 2241A/B
Thomas Richard Jenkyn

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Kristen De Sousa
Biomechanics 2241A Assignment 1
Determine whether each of the following activities requires a static or dynamic analysis: (a) a
supermarket checker at work, (b) a handstand, (c) a sprint starting position, (d) a hammer
throw, (e) the en garde position in fencing, (f) a football line stance, (g) a chip shot in golf, (h)
a basketball free throw, (i) typing, (j) a conformation evaluation of a show horse, and (k) an
older adult standing from a seated position.
a. Dynamic
b. Static
c. Static
d. Dynamic
e. Static
f. Static
g. Dynamic
h. Dynamic
i. Dynamic
j. Static
k. Dynamic
Discuss potential damaging effects on young musculoskeletal structures with excessive
weight training.
Repeated muscle contractions with excessive weight will cause its tendinous attachment to pull
away from the bone. Excessive weight training will also cause epiphyseal growth plate fractures
resulting in the plates to closing therefore stunting their growth. Micro-tears in the soft tissue
of the lower back can also occur causing injury and possible long term effects.
For the following movements, list the axis and plane used during the force phase of the
movement: (a) the breathing movement for the front crawl (neck), (b) the vertical jump
(knee), (c) the elementary backstroke (shoulder joint), (d) the forehand drive in tennis
(shoulder joint), (e) the placekick (knee), and (f) turning a door handle (radioulnar joint).
a. Plane: Transverse Axis: IE
b. Plane: Sagittal Axis: AP
c. Plane: Frontal Axis: ML
d. Plane: Transverse Axis: IE
e. Plane: Sagittal Axis: ML
f. Plane: Transverse Axis: IE
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