JMM Form - 2 of 3 Flashcards
Elbow Joint Flexion
Bending elbow toward biceps.
• Biceps Brachii
• Brachialis
• Brachioradialis
Elbow Joint Extension
Straightening elbow.
• Triceps brachii
• Anconeus
Elbow Joint Supination
Turning forearm so hand faces up (holding soup).
• Biceps Brachii
• Supinator
Elbow Joint Pronation
Turning forearm down (so palm faces down/away).
• Pronator Teres
• Pronator Quadratus
Wrist Neutral Position
- Flexors
* Extensors
Wrist Flexion
Angling palm toward forearm (“get outta here” gesture).
• Flexor Carpi Radialis
• Flexor Carpi Ulnaris
• Palmaris Longus
Wrist Extension
Angling back of hand toward forearm (favorite carpal tunnel stretch).
• Extensor Carpi Radialis Longus
• Extensor Carpi Radialis Brevis
• Extensor Carpi Ulnaris
Wrist Radial Deviation
Angling thumb toward forearm.
• Flexor Carpi Radialis
• Extensor Carpi Radialis Longus
Wrist Ulnar Deviation
Angling pinky toward forearm.
• Flexor Carpi Ulnaris
• Extensor Carpi Ulnaris
Finger Flexion
Curling fingers inward.
• Flexor Digitorum Profundus
Finger Extension
Opening fingers out.
• Extensor Digitorum
• Extensor Digiti Minimi
Trunk Stabilization
Uses all abdominals.
Trunk Flexion
Upward part of a ab crunch.
• Rectus Abdominis
Trunk Rotation
Twisting trunk of body to a side.
• External Oblique
• Internal Oblique
Trunk Lateral Flexion
Angling trunk to side and toward legs (tipping the teapot).
• External Oblique
• Internal Oblique