Shoulders, Arms, Hands, Wrists, Neck and Head

The upper body changes role across asana: reaching, supporting, pushing, pulling, balancing, orienting the head, or bearing weight. The shoulder complex, elbows, forearms, wrists, hands, neck, and trunk coordinate rather than holding one fixed arrangement. Start with the task and load, then offer a range and support strategy the student can choose and leave.

The Shoulder Complex Moves

The glenohumeral joint is the ball-and-socket articulation of humerus and scapula. The scapula also moves relative to the rib cage and connects through the clavicle at true joints. During arm elevation, scapular rotation and tilt normally contribute alongside movement at the glenohumeral joint. Therefore, 'pin the shoulder blades down and back' is not a universal overhead-arm rule.

• Name the task: reaching, arm elevation, pushing, supporting body weight, transition, balance, or rest.
• Notice arm path, scapular movement, load, breath, and the student's report without diagnosing impingement or instability.
• Change reach width, arm height, elbow position, hand orientation, support, range, or relationship to gravity.
• Do not demand shoulders away from ears or shoulder blades together when those cues conflict with the task or feedback.

Hands and Wrists in Weight Bearing

Wrist extension, hand contact, finger position, forearm orientation, shoulder position, surface, and whole-body leverage affect a hand-supported task. Spreading the fingers or pressing named 'corners' may help some students attend to contact, but neither is a universal injury-prevention formula. A useful option changes the demand and is rechecked through feedback.

• Reduce load with hands at a wall, chair, bench, or higher blocks rather than assuming floor weight bearing is required.
• Shorten the lever, reduce duration, lower knees, choose forearm support where appropriate, or replace the task with a non-weight-bearing version.
• Use a wedge or rolled support only when it creates a stable surface and the student understands the setup; props do not substitute for supervision.
• Let hand spacing and rotation respond to the task and comfort. Do not force flat palms, maximal finger spread, or one wrist angle.

Neck, Head, and Gaze Are Choices

The cervical spine supports and moves the head, with flexion, extension, lateral flexion, and rotation available across the region. A gaze cue changes balance and neck position; it is not merely decorative. Students can keep the head in a comfortable relationship to the trunk, reduce rotation or extension, move the eyes without turning the head, or look toward a stable external point.

Student-Choice Examples

• Overhead reach: widen the arms, bend the elbows, lower the arms, hold a strap without pulling, or keep hands at the ribs while preserving the standing or breathing task.
• Downward-Facing Dog: use a wall or chair, bend knees, shorten duration, choose tabletop, use forearms when appropriate, or rest. Ask about hand, wrist, shoulder, neck, breath, and exit control.
• Plank: move to a wall or incline, lower knees, shorten the hold, use a different upper-body task, or stop. A more horizontal body is not automatically a better progression.
• Triangle or twist: keep the gaze forward or down, reduce neck rotation, support the lower hand, and allow the top arm to remain at the hip.

Key Terms

• Shoulder complex: coordinated articulations involving the humerus, scapula, clavicle, and thorax rather than one isolated joint.
• Scapular upward rotation: one component of scapular movement during arm elevation; it should not be reduced to one fixed cue.
• Wrist extension: movement that decreases the angle between the back of the hand and forearm, often present in palm weight bearing.
• Leverage: how body position and distance from support change the demand of a task.
• Gaze option: a student-selected visual target that can change head position, orientation, and balance demand.

練習反思

Choose one overhead reach and one hand-supported task. For each, identify purpose, support, load, arm or wrist range, neck and gaze choice, breath, and exit. Create a lower-load version and a non-weight-bearing replacement without promising that either will treat pain.

快速複習

• The shoulder complex coordinates glenohumeral, scapular, clavicular, and trunk movement.
• Hand placement changes load but cannot guarantee wrist or shoulder safety.
• Walls, inclines, reduced levers, forearm support, smaller ranges, rest, and replacements are legitimate task choices.
• Neck and gaze positions should remain optional and responsive to comfort, orientation, and balance.