a muscle that extends or straighten a limb or body part is called extensor
shoulder depressors, extensors, adductors and abductors. elbow extensors, wrist extensors and finger flexors.
Low back
yes
You have ball and socket type of joints, in the both shoulder and hip joints.
Left shoulder, right shoulder, left hip, right hip.
Yes. The shoulders are ABOVE (superior) to hip.
Ball-and-Socket Joints. Smooth, hemispherical head fits within a cuplike socket. Only mutiaxial joints in the body are the shoulder joint - head of humerus into glenoid cavity of scapula and the hip joint - head of femur into acetabulum of hip bone.
FLEXORSBiceps brachia- Primarily forearm supination, but also functions in elbow flexion, shoulder flexion, and shoulder adductionChoracobrachialis- Shoulder flexion, shoulder adductionBrachialis- Elbow flexionEXTENSORSTriceps Brachii- Powers elbow extension
Both the hip and shoulder joints are referred to as ball and socket joints.
in the hip or shoulder joints
your shoulder is a ball and socket join and your hip and femur form one as well.
It isn't. The hip socket is deeper than the shoulder socket. The shoulder socket is shallow to ensure a broad range of motion of the arm. The deep hip socket is for stability of the leg.