Musculoskeletal: Upper Extremity: Metacarpophalangeal, Proximal Interphanageal, and Distal Interphalangeal Joints: Osteokinematics and Arthrokinematics

Question 1

Metacarpophalangeal Joints

Osteokinematic: Flexion

Answer 1

• The arthrokinematics of MCP flexion in an OPEN KINETIC CHAIN are.
• The concave surface of the proximal phalanx will roll and glide PALMARILY on the convex surface of the metacarpal.

The arthrokinematics of MCP flexion in a CLOSED KINETIC CHAIN are.

• The convex metarcpal will roll PALMARILLY and glide DORSALLY on the concave proximal phalanx.

Question 2

Metacarpophalangeal Joints

Osteokinematic: Extension

Answer 2

• The arthrokinematics of MCP extension in an OPEN KINETIC CHAIN are.
• The concave surface of the proximal phalanx will roll and glide DORSALLY on the convex surface of the metacarpal.

The arthrokinematics of MCP extension in a CLOSED KINETIC CHAIN are.

• The convex metarcpal will roll DORSALLY and glide PALMARILY on the concave proximal phalanx.

Question 3

Metacarpophalangeal Joints

Osteokinematic: Abduction

Answer 3

• The arthrokinematics of MCP abduction in an OPEN KINETIC CHAIN are.
• The concave surface of the proximal phalanx will roll and glide LATERALLY on the convex surface of the metacarpal.
• The arthrokinematics of MCP abduction in an CLOSED KINETIC CHAIN are.
• The convex metacarpal will roll LATERALLY and glide MEDIALLY on the concave proximal phalanx.

Question 4

Metacarpophalangeal Joints

Osteokinematic: Adduction

Answer 4

.- The arthrokinematics of MCP adduction in an OPEN KINETIC CHAIN are.

• The concave surface of the proximal phalanx will roll and glide MEDIALLY on the convex surface of the metacarpal.
• The arthrokinematics of MCP adduction in an CLOSED KINETIC CHAIN are.
• The convex metacarpal will roll MEDIALLY and glide LATERALLY on the concave proximal phalanx.

Question 5

Proximal Interphalangeal Joints

Osteokinematic: Flexion

Answer 5

• The arthrokinematics of PIP flexion in an OPEN KINETIC CHAIN are.
• The concave surface of the middle phalanx will roll and glide PALMARILY on the convex surface of the proximal phalanx.

The arthrokinematics of PIP flexion in a CLOSED KINETIC CHAIN are.

• The convex proximal phalanx will roll PALMARILLY and glide DORSALLY on the concave middle phalanx.

Question 6

Proximal Interphalangeal Joints

Osteokinematic: Extension

Answer 6

• The arthrokinematics of PIP extension in an OPEN KINETIC CHAIN are.
• The concave surface of the middle phalanx will roll and glide DORSALLY on the convex surface of the proximal phalanx.

The arthrokinematics of PIP extension in a CLOSED KINETIC CHAIN are.

• The convex proximal phalanx will roll DORSALLY and glide PALMARILY on the concave middle phalanx.

Question 7

Distal Interphalangeal Joints

Osteokinematic: Flexion

Answer 7

• The arthrokinematics of DIP flexion in an OPEN KINETIC CHAIN are.
• The concave surface of the distal phalanx will roll and glide PALMARILY on the convex surface of the middle phalanx.

The arthrokinematics of DIP flexion in a CLOSED KINETIC CHAIN are.

• The convex middle phalanx will roll PALMARILY and glide DORSALLY on the concave distal phalanx.

Question 8

Distal Interphalangeal Joints

Osteokinematic: Extension

Answer 8

• The arthrokinematics of DIP extension in an OPEN KINETIC CHAIN are.
• The concave surface of the distal phalanx will roll and glide DORSALLY on the convex surface of the middle phalanx.

The arthrokinematics of DIP extension in a CLOSED KINETIC CHAIN are.

• The convex middle phalanx will roll DORSALLY and glide PALMARILY on the concave distal phalanx.