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Sem 2 Exam 2
Muscle Tissue & Contraction 2
| Question | Answer |
|---|---|
| Muscular System help maintain body temperature by | Heat is generated as a byproduct of muscle contraction |
| Function of Tendon | Connect muscle to bone |
| Fascial layer surrounds each skeletal muscle fiber | Endomysium |
| Fascial Layer forms the outer envelope of the muscle and anchors it to the hypodermis | Epimysium |
| Muscle attachment is generally on the bone that moves during any motion | Insertion |
| Connective element of the skeletal muscle is described as the tenoperiosteal junction | The fibrous connective tissue between the periosteum and tendon |
| A skeletal muscle fiber, or muscle cell, made up of smaller fibers | Myofibrils |
| Anatomic name for a skeletal muscle cell | Myofiber |
| An accurate description of motor unit | 1 motor neuron + multiple muscle fiber |
| Advantage of having multiple motor units in a skeletal muscle | It allows the brain to regulate the amount of force used for any movement by changing the number of motor units engaged |
| Muscle physiology reflex increases or decreases the number of motor units engaged according to the effort required for movement | Graded Response |
| The strength of a contraction decreases when the muscle is already in a shortened position | Most of the binding sites between actin and myosin have already been used |
| Type of muscle contraction increases muscle tension, but does not result in movement | Isometric |
| Type of muscle contraction maintains our posture and each muscle's state of readiness to contract fully | Tonic |
| Function of retinaculi in the muscular system | Tension straps that hold tendons in place |
| If the muscle has fascicles with shorter fibers running in an oblique line to a central tendon, what is the category of muscles architecture | Pennate |
| Movement role a muscle plays when assists larger muscles during a particular motion | Synergist |
| What movement role is assigned to the muscles that hold the scapula and clavicle in place during shoulder motion | Fixator |
| Class of levers are most joints in the body | Third |
| Structure that implicated when pain or limitation is present with both active and passive range of motion in one direction | Ligament |
| The name "flexor carpi radialis" tell you about the muscle | Its function and general location |
| Common function of all quadriceps | Knee Extension |
| Hamstring muscle that inserts of the head of the fibula | Biceps Femoris |
| Adductor muscle is also a knee flexor | Gracilis |
| Back muscle that elevates, retracts, and upwardly rotates the scapula | Trapezius |
Created by:
JML19
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