Skeletal Muscle Features
What are groups of skeletal muscle fibers called?
What are fasicles
What type of muscles span two or more joints?
What are biarticular/multijoint muscles
What are the two ways that ATP is produced?
What is Aerobic (oxidative) and anaerobic (glycolytic) cellular respiration
What does the sarcoplasmic reticulum store high concentrations of?
What Calcium
What is the fixed point at which a lever moves?
What is a fulcrum
Name a skeletal muscle organ.
What type of attachment is very short connective tissue fibers that connect skeletal muscle organ to bone?
What are direct/fleshy attachments
What is the oxygen binding pigment that has a red color?
What is myoglobin
What type of skeletal muscle has fascicles that are relatively short and run obliquely to the long
axis of the skeletal muscle organ or tendon?
What is pennate
What group abducts and rotates the humerus?
What is deltoid
What type of connective tissue surrounds fasicles?
What is perimysium
What type of indirect attachment is a cordlike connective tissue?
What is a tendon
What type of muscle is typically thin, and slow to contract, and are associated with postural muscles?
What are slow oxidative/ Type I
What are alternating waves of contraction and relaxation in smooth muscle called?
What is peristalsis
What muscle group extends the forearm?
What is the triceps group
What type of connective tissue surrounds a skeletal muscle organ?
What is epimysium
What type of attachment is a fibrous seam that connects muscle to bone?
What is a raphe
What type of muscles are relatively thick and pale in color, associated with muscles that tend to tire quickly?
What are fast glycolytic/ type IIx
If there are no sarcomeres, then what else is not present?
What are striations
What muscle group elevates/dorsiflexes the hand and fingers?
What are extensors
How many arteries/veins supply/drain a skeletal muscle organ?
What is one! (branching)
What is the more moveable part of an attachment and the less moveable part of an attachment?
What gives dark meat its color? (think chicken thighs)
What is myoglobin
What are gap junctions composed of?
What are desmosomes, fasiae adherens, and gap junctions
Abduct you leg and name the muscle group that you are using to do so.
should move away from midline, gluteal group