Skeletal Muscle
Contractions Isometric- -Muscle increases tension, but does not change in length. -Muscle increases tension, but does not change in length. -Squeezing; pushing against a stationary object -Squeezing; pushing against a stationary object
Concentric - Muscle changes in length to overcome resistance - Muscle changes in length to overcome resistance -Biceps curl -Biceps curl
Eccentric - Muscle lengthens to overcome resistance - Muscle lengthens to overcome resistance - Pulling - Pulling
Six Functions of Skeletal Muscle These muscles are attached to and bring about the movement of the various bones of the skeleton Skeletal muscles function in pairs to bring about the co-ordinated movements of the limbs, trunk, jaws, eyeballs, etc. Skeletal muscles are directly involved in the breathing process
Aids in posture- Posture, such as sitting and standing, is maintained as a result of muscle Joint stability Heat production. Contraction.