Muscle Tissue
What type of muscle is considered Striated and Voluntary?
Skeletal Muscle
Name the attachment point of the muscle to the more Stationary bone?
The Orgin
What molecule supplies energy for muscle contraction?
ATP
What is the difference between Abduction and Adduction?
Abduction: movement away from the midline
Adduction: movement toward the midline
What are the muscles of mastication used for?
Chewing
What is non striated and involuntary muscle tissue called?
Smooth / Visceral muscle tissue
Name the attachment point of the muscle to the bone that moves when a muscle contracts?
The Insertion
What are the 3 main functions of the muscle system?
Posture, Movement, and Heat Production
What type of movement is described as the opposite of Flexion?
Extension
The Diaphragm and Intercostal muscles are apart of which group of muscles?
Respiratory Muscles
What type of muscle tissue is often found in walls of hollow structures (ex. digestive tract, blood vessels, etc)
Smooth / Visceral muscle tissue.
What is a group of muscle fibers called?
Fascicles
What is the "Threshold Stimulus"?
The minimal level of stimulation required to make a muscle fiber contract.
What type of movement is Dorsiflexion and Plantar Flexion?
Foot movements (bending ankle to lift toes up toward the ceiling, and down towards the floor)
The Iliopsoas, Gluteus Maximus, Adductor Muscles and Hamstring Muscles are apart of which group of muscles?
Muscles of the Lower Extremities (Thigh and Leg)
What is the main function of all muscle fibers?
Contraction (generation of force)
What protein creates the Thin myofilaments? What protein creates the Thick myofilaments?
Thin: Actin
Thick: Myosin
What type of muscle contraction occurs during most types of body movement (walking, running, etc)?
Isotonic Contractions
What is the difference between Supination and Pronation?
Hand positions - result in rotation of forearm
Supination: palm up (supine position)
Pronation: palm down (prone position)
Which muscle allows you to smile?
The Zygomaticus muscle
What type of muscle tissue has dark bands called "Intercalated Disks"
Cardiac Muscle Tissue
What is Bursae? What is its function?
What: small sac containing synovial fluid
Function: reduce friction during movement (act as gliding surfaces to allow smooth movement)
What type of muscle contraction does NOT produce movement, though the tension in the muscle increases?
Isometric Contractions
What type of movements are Inversion and Eversion?
Foot movements - side to side
Inversion: sole turns in towards midline
Eversion: sole turns away from midline
The Semimembranosus, Semitendinosus and Biceps Femoris is apart of which muscle group?
Hamstring Muscles