Analysis of Human Performance Lecture Exam 2 Study Guide

Elbow Joint

Elbow Joint = 2 Joints

Elbow Joint Motions

Radioulnar Joint

Radioulnar Joints = 2

Radioulnar Joint Motion

Wrist Joint

Wrist Carpal Bones

Wrist Joint Movement

Hand bones

Elbow Joint

Mid-carpal Joint

Carpo-Metacarpal Joint

Metacarpo-Phalangeal Joint (MCP)

Interphalangeal Joints

Key Concept: Two Joint Principle Muscles

Key Concept: Two Joint Principle Muscles
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Two Joint Muscle Examples

Two Joint Muscle Example

Two Joint Muscle Example

Wrist Flexors Origin

Wrist Extensors Origin

Wrist Flexors & Extensors Origin

Muscle Synergist

Synergist Example

Synergist Examples

Thenar Eminence

Thenar eminence

Hypothenar eminence

Hypothenar Eminence

Split Innervation Muscles

Split Innervation Muscles

Interossei Muscles

Interossei Muscles

Interossei Muscles

Manual Muscle Testing Grading

Prehension

Prehension: Power Grip

Prehension: Precision Grip

Prehension Components

Types of Power Grips:
Cylindrical
Spherical
Hook

Types of Power Grips

Types of Power Grips

Types of Precision Grips:
Pincer
Tripod
Lateral
Pinch
Lumbrical

Types of Precision Grips

Types of Precision Grips

Types of Precision Grips

Types of Precision Grips

Brachial Plexus

Hand Photo: Intrinsic Muscles

Elbow Joint Ligaments = 3

Carrying Angle

Interosseous Membrane of Elbow Joint

Elbow & Radioulnar Anterior Muscles

What do the Anterior Muscles have in common?

Other details of anterior arm muscles

Posterior Muscles
Extension & Supination

Anconeus Muscle:

Elbow Extension

Supinator Muscle

Supination

Pronator Teres

Pronate forearm/weak elbow flexion

Pronator Quadratus

Pronate forearm

Wrist Ligaments

Wrist Ligaments
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Wrist Flexors

Wrist Extensors

Hand Ligaments

(Palmer and Transverse Carpal Ligaments)

Transverse Carpal Ligament

**Hood for carpal tunnel

Arches of Hand

Saddle Joint = Thumb Joint

Thumb

Thumb Motions

Intrinsic Hand Muscles

Lumbricles (Intrinsic)

Sensory Distribution of Hand

Carpal Tunnel Syndrome