Elbow
Elbow
The elbow joint bends when you flex your arm, bringing your hand closer to your shoulder. It also bends when you perform activities like throwing a ball or lifting weights.
Muscles that bend a joint are flexors; musces that straighten a joint are extensors.
Yes, extension is always in the opposite direction as flexion. Hyperextension means straightening a joint beyond it's normal range.
Mechanical Joint Bend
A flexor is a muscle that causes a joint to bend. In contrast, an extension is a muscle that straightens a joint.
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A knee Joint must face forwards and must bend.
Your sliding joint allows your spine to bending or stretching
No, it is the opposite. Muscles that bend a joint are called flexors, while muscles that straighten a joint are called extensors. For example, the biceps are flexors of the elbow joint, and the triceps are extensors of the elbow joint.
hinge joint
Its a joint. A joint is where you can bend like your knee and your elbow.