What kind of muscle contraction occurs in an upper limb during an attempt to lift a load beyond one's strength?

Answer options

1. Phasic
2. Isotonic
3. Single
4. Auxotonic
5. Isometric

Explanation

Isometric Contraction In general, in this form of contraction, the muscle length remains constant. It occurs when muscle force balances resistance and no joint movement occurs there is no movement resulting from this type of contraction pushing against a fixed object planking isotonic contraction an increase in tension (load) results in changes in skeletal muscle length. i.e. lengthening and shortening of the muscle.