What term is used to describe what happens to a muscle that is not used?
Atrophy
Ability to recoil to original resting length after stretched?
Elasticity
What is the focus of the diaphragm?
Respiration
Which lower body muscles are powerful extensors of the knee joint?
Quadriceps
What causes a muscle cramp?
Inability to contract
Muscle that contracts to cause a movement?
Prime movement (agonist)
What is the function of the pectoral muscles?
Controls movement of the arm
Which joint does the gluteus maximus move?
Hip joint
Lack of acetylcholinesterase means a muscle will be unable to do what?
Contract
Decreasing of a joint, increasing the angle
Flexion
Which two joints does the bicep muscle control?
Shoulder and elbow
What is the function of the gastrocnemius muscle?
plantar flexing the foot at the ankle joint and flexing the leg at the knee joint
The tearing of a muscle is called a?
An attachment site for a less movable bone?
Origin
Name at least two functions of the trapezius muscle
Tilt head/neck, turn head/neck, shrug shoulders, twist arms, rotates scapula, moves/stabilizing scapula
Which muscle functions as an important hip flexor and rotator of the thigh and hip joint?
Sartorius muscle
What is a disease that is characterized by degeneration of muscle and weakness?
Muscular dystrophy
Muscle that help the prime mover by stabilizing joint?
Synergist
What is the function of the tricep muscle?
Extend arm at elbow joint (straighten/bend arm)
Name a function of the hamstring
Flex the knee joint, adduct the leg, extend the thigh to the backside of the body