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Lecture 3
Kinesiology Lecture 3
19
Other
Graduate
11/08/2016

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Term
Fibers run parallel and attach to a central tendon
Definition
Fusiform
Term
Fibers run obliquely towards central tendon
Definition
Pennate
Term
What type of muscle is flexor pollicus longus?
Definition
Unipennate-Arranged on one side of the tendon
Term
What type of muscle is the rectus femoris?
Definition
Bipennate- arranged on both side of the tendon
Term
slide 18
Definition
18
Term
Angle of orientation between muscle fibers and the tendon
Definition
Pennation Angle
Term
If fibers are parallel to the tendon, what is the angle defined as?
Definition
0 degrees
Term
If the fibers are oblique to tendon, less force is transmitted through the
Definition
tendon
Term
19
Definition
19
Term
Just under the dermis
Contributes to mobility of the skin
Insulates
Definition
Superficial fasciae
Term
Compacted, arranged collagen fibers
Attachs to muscle/bones
Forms tracts/bands and retinacula
Definition
Deep fasciae
EX- IT band, extensor retinaculum
Term
Muscle reaches a point where it cannot shorten anymore
Definition
Active insufficiency
Term
Muscle cannot elongate any farther without damaging fibers
Definition
Passive insufficiency
Term
Force production w/o significant length change
Definition
Isometric force
Term
Velocity of muscle contraction is a function of the
Definition
load lifted
Term
Thousands in each skeletal muscles
Definition
Muscle fibers
Term
Groups of muscle fibers surrounded by connective tissue
Definition
Fascicles
Term
membrane of the muscle cell which surrounds a muscle fiber
Definition
Sarcolemma
Term
Muscle cell cytoplasm
Definition
Sarcoplasm
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