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Question

Foreach of the following activities indicate if it is an example of an open kinetic chain or closed kinetic chain.

_____ A. The UE when one is carrying a book bag

_____ B. The UE when one is doing push-ups

_____C. The UE when one is supported on crutches

_____D. The lower extremities when one is swinging from an overhead bar

_____E. The lower extremities when one id performing wall slides

_____F. The lower extremity being used to kick a ball
Step 1/2

A. The UE when one is carrying a book bag - Open kinetic chain: When carrying a book bag, the upper extremity (UE) is in an open kinetic chain position. In an open kinetic chain position, the distal segment (in this case, the hand holding the book bag) is free to move in space and is not supported by a fixed point. The hand and book bag are able to move independently of the rest of the body, and the forces produced by the UE muscles are transmitted through the joints and bones to the distal end (the hand and book bag). Difference Between Open and Closed Kinetic Chain Movements Essay Paper

B. The UE when one is doing push-ups - Closed kinetic chain: When doing push-ups, the UE is in a closed kinetic chain position. In a closed kinetic chain position, the distal segment (in this case, the hand) is in contact with a fixed surface (the ground) and is unable to move in space. The UE muscles produce force that is transmitted through the joints and bones to the fixed surface, and the movement of the UE is influenced by the position of the rest of the body.
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Explanation for step 1

C. The UE when one is supported on crutches - Open kinetic chain: When supported on crutches, the UE is in an open kinetic chain position. In this case, the distal segment (the hands holding the crutches) is free to move in space and is not supported by a fixed point. The hands and crutches are able to move independently of the rest of the body, and the forces produced by the UE muscles are transmitted through the joints and bones to the distal end (the hands and crutches).

Step 2/2

D. The lower extremities when one is swinging from an overhead bar - Closed kinetic chain: When swinging from an overhead bar, the lower extremities are in a closed kinetic chain position. In this case, the distal segment (the feet) is in contact with a fixed surface (the bar) and is unable to move in space. The lower extremity muscles produce force that is transmitted through the joints and bones to the fixed surface, and the movement of the lower extremities is influenced by the position of the rest of the body.

Explanation for step 2

E. The lower extremities when one is performing wall slides - Open kinetic chain: When performing wall slides, the lower extremities are in an open kinetic chain position. In this case, the distal segment (the feet) is free to move in space and is not supported by a fixed point. The feet are able to move independently of the rest of the body, and the forces produced by the lower extremity muscles are transmitted through the joints and bones to the distal end (the feet).

F. The lower extremity being used to kick a ball - Open kinetic chain: When kicking a ball, the lower extremity is in an open kinetic chain position. In this case, the distal segment (the foot) is free to move in space and is not supported by a fixed point. The foot is able to move independently of the rest of the body, and the forces produced by the lower extremity muscles are transmitted through the joints and bones to the distal end (the foot).

Final answer

In conclusion, the distinction between open and closed kinetic chain movements is important in understanding the mechanics of how the body moves and produces force. In an open kinetic chain movement, the distal segment (such as a hand or foot) is free to move in space and is not supported by a fixed point. In a closed kinetic chain movement, the distal segment is in contact with a fixed surface and is unable to move in space. Understanding the difference between open and closed kinetic chain movements can be useful in fields such as rehabilitation, sports medicine, and physical therapy, as it can inform treatment and exercise strategies that target specific movement patterns and muscle groups. Difference Between Open and Closed Kinetic Chain Movements Essay Paper

Expert Answer

Question

Foreach of the following activities indicate if it is an example of an open kinetic chain or closed kinetic chain. _____ A. The UE when one is carrying a book bag _____ B. The UE when one is doing push-ups _____C. The UE when one is supported on crutches _____D. The lower extremities when one is swinging from an overhead bar _____E. The lower extremities when one id performing wall slides _____F. The lower extremity being used to kick a ball

Step 1/2

A. The UE when one is carrying a book bag - Open kinetic chain: When carrying a book bag, the upper extremity (UE) is in an open kinetic chain position. In an open kinetic chain position, the distal segment (in this case, the hand holding the book bag) is free to move in space and is not supported by a fixed point. The hand and book bag are able to move independently of the rest of the body, and the forces produced by the UE muscles are transmitted through the joints and bones to the distal end (the hand and book bag). Difference Between Open and Closed Kinetic Chain Movements Essay Paper

B. The UE when one is doing push-ups - Closed kinetic chain: When doing push-ups, the UE is in a closed kinetic chain position. In a closed kinetic chain position, the distal segment (in this case, the hand) is in contact with a fixed surface (the ground) and is unable to move in space. The UE muscles produce force that is transmitted through the joints and bones to the fixed surface, and the movement of the UE is influenced by the position of the rest of the body.

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Explanation for step 1

C. The UE when one is supported on crutches - Open kinetic chain: When supported on crutches, the UE is in an open kinetic chain position. In this case, the distal segment (the hands holding the crutches) is free to move in space and is not supported by a fixed point. The hands and crutches are able to move independently of the rest of the body, and the forces produced by the UE muscles are transmitted through the joints and bones to the distal end (the hands and crutches).

Step 2/2

D. The lower extremities when one is swinging from an overhead bar - Closed kinetic chain: When swinging from an overhead bar, the lower extremities are in a closed kinetic chain position. In this case, the distal segment (the feet) is in contact with a fixed surface (the bar) and is unable to move in space. The lower extremity muscles produce force that is transmitted through the joints and bones to the fixed surface, and the movement of the lower extremities is influenced by the position of the rest of the body.

Explanation for step 2

E. The lower extremities when one is performing wall slides - Open kinetic chain: When performing wall slides, the lower extremities are in an open kinetic chain position. In this case, the distal segment (the feet) is free to move in space and is not supported by a fixed point. The feet are able to move independently of the rest of the body, and the forces produced by the lower extremity muscles are transmitted through the joints and bones to the distal end (the feet).

F. The lower extremity being used to kick a ball - Open kinetic chain: When kicking a ball, the lower extremity is in an open kinetic chain position. In this case, the distal segment (the foot) is free to move in space and is not supported by a fixed point. The foot is able to move independently of the rest of the body, and the forces produced by the lower extremity muscles are transmitted through the joints and bones to the distal end (the foot).

Final answer

In conclusion, the distinction between open and closed kinetic chain movements is important in understanding the mechanics of how the body moves and produces force. In an open kinetic chain movement, the distal segment (such as a hand or foot) is free to move in space and is not supported by a fixed point. In a closed kinetic chain movement, the distal segment is in contact with a fixed surface and is unable to move in space. Understanding the difference between open and closed kinetic chain movements can be useful in fields such as rehabilitation, sports medicine, and physical therapy, as it can inform treatment and exercise strategies that target specific movement patterns and muscle groups. Difference Between Open and Closed Kinetic Chain Movements Essay Paper

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