BLUE SKY SCHOOL OF PROFESSIONAL MASSAGE AND THERAPEUTIC BODYWORK
Associated Bodywork & Massage Professionals The Muscular System Anatomy and Physiology Flash Cards.
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Transcript of Associated Bodywork & Massage Professionals The Muscular System Anatomy and Physiology Flash Cards.
Associated Bodywork & Massage Professionals
The Muscular System
Anatomy and Physiology Flash Cards
Associated Bodywork & Massage Professionals
Directions
• The first slide asks a question.
• The second slide answers the question.
• Use these slides like flash cards to test your core knowledge.
Associated Bodywork & Massage Professionals
Question
Name the three types of muscle tissue and their classifications.
Associated Bodywork & Massage Professionals
Answer
1. Skeletal muscle = striated and voluntary
2. Cardiac muscle = striated and involuntary
3. Smooth muscle = non-striated and involuntary
Associated Bodywork & Massage Professionals
Question
What are the dark bands in cardiac muscle tissue called?
Associated Bodywork & Massage Professionals
Answer
Intercalated disks
Associated Bodywork & Massage Professionals
Question
What is the origin of a muscle?
Associated Bodywork & Massage Professionals
Answer
The muscle attachment to a stationary bone.
Associated Bodywork & Massage Professionals
Question
The attachment to a moveable bone is called the ______.
Associated Bodywork & Massage Professionals
Answer
Insertion
Associated Bodywork & Massage Professionals
Question
What do tendons do?
Associated Bodywork & Massage Professionals
Answer
Tendons connect muscle to bone.
Associated Bodywork & Massage Professionals
Question
The microscopic structure of a muscle consists of specialized contractile cells called muscle fibers. Each muscle fiber is filled with two structures called thick and thin myofilaments. What are the names for the thick and thin myofilaments?
Associated Bodywork & Massage Professionals
Answer
• Thick=myosin
• Thin=actin
Associated Bodywork & Massage Professionals
Question
What is a sarcomere?
Associated Bodywork & Massage Professionals
Answer
The contractile unit of a skeletal muscle.
Associated Bodywork & Massage Professionals
Question
Explain the sliding filament theory.
Associated Bodywork & Massage Professionals
Answer
During contraction, the actin and myosin in a muscle fiber attach to each other by forming bridges acting as levers to pull the myofilaments past each other. Calcium must be present.
Associated Bodywork & Massage Professionals
Question
What does adenosine triphosphate (ATP) do?
Associated Bodywork & Massage Professionals
Answer
It provides energy for muscle cells.
Associated Bodywork & Massage Professionals
Question
What are the functions of skeletal muscle?
Associated Bodywork & Massage Professionals
Answer
• Movement
• Posture or muscle tone
• Heat Production
Associated Bodywork & Massage Professionals
Question
In providing movement, skeletal muscle have prime movers (agonists), synergists, and antagonists. Please define.
Associated Bodywork & Massage Professionals
Answer
1. Prime movers (agonists): carries out the action.
2. Synergists: supports the prime mover.
3. Antagonists: muscles with actions opposite of those of the prime movers.
Associated Bodywork & Massage Professionals
Question
We can maintain an upright position during standing, sitting, etc., because of a specialized skeletal muscle contraction called ______.
Associated Bodywork & Massage Professionals
Answer
Tonic contraction
Associated Bodywork & Massage Professionals
Question
What is a motor unit?
Associated Bodywork & Massage Professionals
Answer
A single motor neuron and all the skeletal muscle cells it innervates.
Associated Bodywork & Massage Professionals
Question
The minimal level of stimulation required to cause a fiber to contract is called the ______.
Associated Bodywork & Massage Professionals
Answer
Threshold stimulus
Associated Bodywork & Massage Professionals
Question
What is muscle wasting?
Associated Bodywork & Massage Professionals
Answer
Atrophy
Associated Bodywork & Massage Professionals
Question
Looking at a cross section of a muscle belly, many cylindrical structures called fascicles can be seen. Fascicles are bundles of ______.
Associated Bodywork & Massage Professionals
Answer
Muscle fibers
Associated Bodywork & Massage Professionals
Question
Once stimulated by a threshold stimulus, a muscle fiber will contract completely. This response is called ______.
Associated Bodywork & Massage Professionals
Answer
All or none