1. An open kinetic chain (OKC) exercise involves:
(A) Distal segment free to move
(B) Distal segment fixed
(C) Whole body stationary
(D) Only isometric contraction
2. A closed kinetic chain (CKC) exercise involves:
(A) Distal segment fixed
(B) Distal segment free
(C) Isolated joint movement only
(D) No joint movement
3. Which of the following is an example of an OKC exercise?
(A) Leg extension on a machine
(B) Squat
(C) Push-up
(D) Lunges
4. Which of the following is an example of a CKC exercise?
(A) Squat
(B) Leg curl
(C) Bicep curl
(D) Shoulder flexion with dumbbell
5. CKC exercises are generally considered:
(A) More functional
(B) Less functional
(C) Only for upper limb
(D) Only for lower limb
6. OKC exercises are generally:
(A) Isolated to a single joint
(B) Multi-joint and functional
(C) Always weight-bearing
(D) Always aerobic
7. During a CKC exercise, movement at one joint:
(A) Affects other joints in the chain
(B) Does not affect other joints
(C) Only affects distal joints
(D) Only affects proximal joints
8. During an OKC exercise, movement at one joint:
(A) Is isolated
(B) Affects multiple joints
(C) Affects the whole body
(D) Is always functional
9. CKC exercises typically:
(A) Enhance joint stability
(B) Increase joint laxity
(C) Reduce muscle activation
(D) Only train one muscle
10. OKC exercises typically:
(A) Target specific muscles
(B) Improve global stability
(C) Enhance postural control
(D) Involve multiple joints simultaneously
11. An example of upper limb OKC exercise is:
(A) Seated bicep curl
(B) Push-up
(C) Wall press
(D) Pull-up
12. An example of upper limb CKC exercise is:
(A) Push-up
(B) Dumbbell fly
(C) Bicep curl
(D) Shoulder abduction
13. CKC exercises promote:
(A) Co-contraction of agonist and antagonist
(B) Single muscle isolation
(C) Only distal joint mobility
(D) Minimal joint loading
14. OKC exercises are preferred for:
(A) Isolated muscle strengthening
(B) Whole body functional training
(C) Postural control
(D) Gait training
15. CKC exercises are considered safer for:
(A) Joint stabilization after injury
(B) Isolated muscle training
(C) Finger strengthening only
(D) Wrist mobility only
16. In CKC, weight-bearing usually occurs:
(A) Through distal segment
(B) Through proximal segment
(C) Only with machines
(D) Only in open chain
17. In OKC, weight-bearing usually occurs:
(A) Not through distal segment
(B) Through distal segment
(C) Through proximal segment
(D) Full body
18. Examples of lower limb CKC exercises include:
(A) Squats and lunges
(B) Leg extensions
(C) Leg curls
(D) Seated calf raises
19. Examples of lower limb OKC exercises include:
(A) Leg extensions and leg curls
(B) Squats
(C) Step-ups
(D) Lunges
20. CKC exercises improve:
(A) Joint compression for stability
(B) Only distal joint strength
(C) Single muscle isolation
(D) Wrist mobility
21. OKC exercises improve:
(A) Muscle isolation and strength
(B) Postural stability
(C) Core activation
(D) Full-body coordination
22. CKC exercises are often performed:
(A) Weight-bearing
(B) Non-weight-bearing
(C) Only with bands
(D) Only seated
23. OKC exercises are often performed:
(A) Non-weight-bearing
(B) Weight-bearing
(C) Always standing
(D) Always functional
24. In rehabilitation, CKC exercises are preferred:
(A) For joint stability and functional tasks
(B) For isolated muscle hypertrophy
(C) Only for upper limb
(D) Only for lower limb
25. In rehabilitation, OKC exercises are preferred:
(A) For isolated strengthening
(B) For postural control
(C) For gait training
(D) For balance training
26. CKC exercises help improve:
(A) Proprioception and neuromuscular control
(B) Single muscle contraction
(C) Wrist mobility only
(D) Elbow isolation
27. OKC exercises are ideal for:
(A) Early muscle activation post-injury
(B) Postural training
(C) Weight-bearing functional tasks
(D) Full-body coordination
28. The kinetic chain concept refers to:
(A) Joints linked together for movement
(B) Single joint movement
(C) Only weight-bearing activities
(D) Only non-weight-bearing activities
29. CKC exercises are typically:
(A) Multi-joint
(B) Single-joint
(C) Non-functional
(D) Non-weight-bearing
30. OKC exercises are typically:
(A) Single-joint
(B) Multi-joint
(C) Functional
(D) Weight-bearing
31. CKC exercises promote:
(A) Co-contraction for stability
(B) Only prime mover strengthening
(C) Wrist isolation
(D) Finger dexterity
32. OKC exercises allow:
(A) Isolated strengthening of muscles
(B) Global stability training
(C) Postural control
(D) Full-body movement
33. CKC exercises enhance:
(A) Joint compression and stability
(B) Single muscle hypertrophy
(C) Isolated joint ROM
(D) Only distal mobility
34. OKC exercises enhance:
(A) Muscle isolation and range of motion
(B) Joint compression
(C) Proprioception
(D) Balance
35. Examples of upper limb CKC exercises:
(A) Push-ups and wall slides
(B) Bicep curls
(C) Dumbbell fly
(D) Shoulder flexion
36. Examples of upper limb OKC exercises:
(A) Dumbbell shoulder flexion and bicep curls
(B) Push-ups
(C) Wall slides
(D) Pull-ups
37. CKC exercises are beneficial for:
(A) Functional strengthening
(B) Isolated muscle hypertrophy
(C) Wrist flexion only
(D) Finger dexterity
38. OKC exercises are beneficial for:
(A) Targeted muscle activation
(B) Full-body coordination
(C) Postural control
(D) Joint compression
39. CKC exercises are considered:
(A) More functional for daily activities
(B) Less functional
(C) Only for rehab
(D) Only for athletes
40. OKC exercises are considered:
(A) Less functional but isolate muscles
(B) More functional
(C) Multi-joint
(D) Weight-bearing
41. In CKC, kinetic energy is transmitted:
(A) Across multiple joints
(B) Isolated to one joint
(C) Only distal joint
(D) Only proximal joint
42. In OKC, kinetic energy is transmitted:
(A) Isolated to one joint
(B) Across multiple joints
(C) Across whole body
(D) Across limbs
43. CKC exercises enhance:
(A) Joint proprioception
(B) Single muscle strength only
(C) Wrist mobility
(D) Finger dexterity
44. OKC exercises enhance:
(A) Muscle isolation
(B) Joint stability
(C) Proprioception
(D) Postural control
45. CKC exercises usually:
(A) Are weight-bearing
(B) Are non-weight-bearing
(C) Are seated only
(D) Are always isometric
46. OKC exercises usually:
(A) Are non-weight-bearing
(B) Are weight-bearing
(C) Always functional
(D) Always multi-joint
47. CKC exercises benefit:
(A) Neuromuscular control
(B) Single muscle hypertrophy
(C) Wrist isolation
(D) Finger dexterity
48. OKC exercises benefit:
(A) Targeted muscle strengthening
(B) Neuromuscular control
(C) Postural control
(D) Joint compression
49. CKC exercises are often preferred in:
(A) Late-stage rehab
(B) Early-stage rehab only
(C) Finger strengthening
(D) Wrist mobility
50. OKC exercises are often preferred in:
(A) Early-stage rehab
(B) Late-stage rehab
(C) Functional training
(D) Balance training