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Chapter

Lab 7 notes


Department
Biomedical Physio & Kines
Course Code
BPK 142
Professor
Tony Leyland

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Lab 7
1) The patella resists wear and tear stresses on the tendon when moving the knee
joint. It increases the leverage that can be applied to the femur, and it protects
the knee joint. The patella differs from other leg bones because it is a flat bone
while other leg bones are long, or short bones.
2) Pectoral Girdle:
Supports any weight placed on the shoulders
Acts as connection between upper limbs and axial skeleton
Shoulder separations are common
Muscles connect the scapula to the axial skeleton allowing the scapula to
move quite freely (high mobility). This also makes the scapula very
resistant to fracturing.
Clavicle is fairly breakable
Pelvic Girdle:
Connects lower limbs to axial skeleton
Bears weight of the torso and upper limbs. This makes it far less
mobile
Since it holds more weight on a constant basis, its general structure
can resist more compression than the pectoral girdle
3) Clavicle
Connects upper limbs to axial skeleton
Holds scapula and upper limbs in place
4) Scapula articulates to clavicle, and humerus
5) Pelvic Girdle:
Sacrum (Sacroiliac joint)
Ischium (Hip Joint)
Pubis (Hip Joint)
Acetabulum (hip joint)
Coccyx
6) Elbow Joint:
Medial Epicondyle is part of the humerus connected to the elbow joint that
is facing the median plane of the body. The Lateral Epicondyle is on the
opposite side of the humerus facing away from the body
2 different articulations between upper arm and forearm:
i. Humeroulnar: connects ulna to humerus
oOlecranon and coronoid process contain the attachment
site between the ulna and the trochlea of the humerus. Both
are located in the ulna
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