A&P-Joints and Muscles Flashcards
What joint type is the Wrist?
A Condyloid joint
What 2 bones articulate in the shoulder?
- Humerus
- Scapula
What 3 bones articulate in the Elbow?
- Humerus
- Radius
- Ulna
What 3 bones articulate in the Wrist?
- Radius
- Ulna
- Carpal bones
What 8 movements are possible at the Shoulder joint?
- Flexion -Medial Rotation
- Extension - Lateral Rotation
- Abduction -Horizontal Flexion
- Adduction -Horizontal Extension
What 2 movements are possible at the Elbow joint?
- Flexion
- Extension
What 4 movements are possible at the Wrist joint?
- Flexion
- Extension
- Abduction
- Adduction
What movement occurs at the shoulder when the Anterior Deltoid is the prime mover?
The arm is raised up.
What movement occurs at the shoulder when the Posterior Deltoid is the prime mover?
The arm is down and slightly behind.
What movement occurs at the shoulder when the Middle Deltoid is the prime mover?
The arm is raised out to the side.
What movement occurs at the shoulder when the Latissimus Dorsi is the prime mover?
Arm is by the side.
Name the 4 Rotator Cuff Muscles in the Shoulder.
- Subscapularis
- Infraspinatus
- Supraspinatus
- Teres Minor
What muscle acts as the prime mover in the Wrist when flexion occurs?
The Flexors
What muscles act as the prime mover in the Wrist when extension occurs?
The Extensors
What muscle acts as the prime mover in the Elbow when flexion occurs?
The Biceps Brachii
What muscle acts as the prime mover in the Elbow when extension occurs?
The Triceps Brachii