Podcast
Questions and Answers
Considering movements at the glenohumeral joint, which of the following combinations of actions would be the MOST challenging to perform simultaneously?
Considering movements at the glenohumeral joint, which of the following combinations of actions would be the MOST challenging to perform simultaneously?
- Flexion and internal rotation
- Abduction and horizontal adduction
- Adduction and circumduction
- Extension and external rotation (correct)
A gymnast performing a handstand primarily relies on which joint for stability and weight bearing?
A gymnast performing a handstand primarily relies on which joint for stability and weight bearing?
- First carpometacarpal joint
- Metacarpophalangeal joint
- Humeroulnar joint
- Radiocarpal joint (correct)
Which combination of lower limb joints is MOST involved in the complex movement pattern of walking?
Which combination of lower limb joints is MOST involved in the complex movement pattern of walking?
- Tibiofemoral joint and talocrural joint only
- Coxal, tibiofemoral, and talocrural joints only
- Coxal, tibiofemoral, talocrural, talotarsal, midtarsal, tarsometatarsal, metatarsophalangeal and interphalangeal joints (correct)
- Coxal joint and tibiofemoral joint only
If a patient reports pain and limited movement in the joint responsible for opposition of the thumb, which joint is MOST likely affected?
If a patient reports pain and limited movement in the joint responsible for opposition of the thumb, which joint is MOST likely affected?
In plantarflexion and dorsiflexion movements of the foot, which joint plays the MOST pivotal role?
In plantarflexion and dorsiflexion movements of the foot, which joint plays the MOST pivotal role?
Flashcards
Anatomical Position
Anatomical Position
The standard position of the body used for anatomical reference: standing upright, facing forward, arms at sides, palms facing forward.
Shoulder Joint
Shoulder Joint
The glenohumeral joint connecting the arm to the torso, allowing a wide range of motion.
Elbow Joint
Elbow Joint
The humeroulnar and humeroradial joints allow bending and extending of the arm, connecting the upper arm to the forearm.
Wrist Joint
Wrist Joint
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Hip Joint
Hip Joint
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Study Notes
Anatomical Position
- Anatomical position is a standardized method of describing the location of body parts.
- The subject stands upright, facing forward, with arms at the sides, and palms forward.
- Feet are flat on the floor and are pointed forward.
Shoulder (Glenohumeral Joint)
- Flexion: Bending the arm forward at the shoulder
- Extension: Straightening the arm at the shoulder
- Adduction: Moving the arm towards the body at the shoulder
- Abduction: Moving the arm away from the body at the shoulder
- Horizontal Adduction: Moving the arm forward and across the body at the shoulder
- Horizontal Abduction: Moving the arm backward and away from the body at the shoulder
- Medial Rotation (Internal Rotation): Rotating the arm inwards at the shoulder
- Lateral Rotation (External Rotation): Rotating the arm outwards at the shoulder
Elbow and Forearm
- Flexion of the elbow: Bending the elbow
- Extension of the elbow: Straightening the elbow
- Supination of the forearm: Rotating the forearm so the palm faces forward
- Pronation of the forearm: Rotating the forearm so the palm faces backward
Wrist (Radiocarpal Joint)
- Flexion: Bending the wrist downward
- Extension: Bending the wrist upward
- Adduction (Ulnar Deviation): Moving the wrist towards the ulna (pinky finger side)
- Abduction (Radial Deviation): Moving the wrist towards the radius (thumb side)
Thumb
- Flexion: Bending the thumb towards the palm
- Extension: Straightening the thumb
- Opposition: Touching the thumb to the other fingers
- Adduction: Moving the thumb inwards toward the palm
- Abduction: Moving the thumb outwards
Fingers
- Flexion: Bending the fingers
- Extension: Straightening the fingers
- Adduction: Moving the fingers inwards toward the center line
- Abduction: Moving the fingers outwards
Hip (Coxal Joint)
- Flexion: Bending the hip forward
- Extension: Straightening the hip backward
- Abduction: Moving the leg away from the body
- Adduction: Moving the leg toward the body
- Medial Rotation (Internal Rotation): Rotating the leg inwards
- Lateral Rotation (External Rotation): Rotating the leg outwards
Knee (Tibiofemoral Joint)
- Flexion: Bending the knee
- Extension: Straightening the knee
- Lateral Rotation: Rotating the lower leg outward
- Medial Rotation: Rotating the lower leg inward
Ankle, Foot, and Toes
- Dorsiflexion: Bending the foot upward
- Plantar Flexion: Bending the foot downward
- Inversion: Turning the sole of the foot inward
- Eversion: Turning the sole of the foot outward
- Flexion of Toes: Bending the toes downward
- Extension of Toes: Straightening the toes upward
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Description
Learn about anatomical position and movements of the shoulder, elbow, and forearm. Understand flexion, extension, adduction, abduction, and rotation at each joint. This includes horizontal adduction/abduction and medial/lateral rotation of the shoulder.
